A year has passed since House crashed his car into Cuddy's home, and we find House spending time behind bars at the East New Jersey Correctional Facility under the close watch of the prison warden. When an antagonistic prison gang leader makes a serious threat, House solicits the help of a fellow inmate, but when another inmate's unusual medical symptoms spark his curiosity, House must come up with creative ways to treat the patient while navigating prison rules. House meets Dr. Jessica Adams, a young, intelligent and bright-eyed clinic doctor, but when they are faced...
A surprising visitor makes House an offer he can't refuse by giving him the opportunity to help the Princeton Plainsboro team treat a unique patient in order to save the life of an organ recipient being administered by Wilson. Although House finds himself back on familiar ground, he quickly realizes that much has changed since he left, and he is forced to work on the case with smart yet timid resident Dr. Chi Park. After several inconclusive treatments and with time running out, House and Dr. Park are left with one last option to examine the patient's medical history ...
When Benjamin suddenly collapses after making a rare and generous donation, House and Dr. Chi Park are convinced that his extreme altruistic behavior may indicate a deeper medical disorder. With no definitive explanation for Benjamin's loss of consciousness and unresponsiveness to treatment, House pushes just the right buttons to recruit former prison doctor Jessica Adams to volunteer her time and expertise to the case. Benjamin then makes a bold but life-threatening offer that could save another life, and the team must diagnose his disorder before he puts his own ...
A CEO falls mysteriously ill just days before he signs a contract that would relocate his company's entire labor force to China. House attempts to make an underhanded business transaction with his wealthy patient, but when the patient's condition worsens, the team must work around the clock to save his life. Meanwhile, Park prepares for her hearing with the Princeton Plainsboro Disciplinary Committee chaired by Foreman, and Adams' outlook on her patient's business venture reveals her deeper feelings about loyalty.
A man who is well-respected in his community suddenly collapses, and in the process of diagnosing his symptoms, the team discovers that the patient has been hiding dark and dishonest secrets about his personal and professional life. But when the patient openly confesses his wrongdoings to his family and community, he compromises his chances of receiving the proper medical treatment. Meanwhile, House will stop at nothing to manipulate Taub into taking a DNA test to prove he is the father of his two six-month-old daughters.
A teenage boy attempting to follow in his late father's footsteps as an entertainer is admitted to Princeton Plainsboro with partial paralysis. As the team searches for a bone marrow match, they uncover a disturbing family secret. Meanwhile, House looks for creative ways to remove his ankle monitor so that he can attend a boxing match in Atlantic City, and he treats a patient who is convinced he is suffering from diabetes. Also, Taub faces a tough decision when his ex-wife Rachel tells him that she wants to move across the country with their infant daughter.
The team learns that their 14-year-old patient is suffering from more than teen angst when her physical symptoms worsen. Despite Foreman's firm opposition, House becomes obsessed with solving a peculiar case of a deceased four-year-old patient, which gets him into serious trouble. Meanwhile, Park tries to get Chase to admit the reason behind his recent obsession with grooming.
A prosecutor suffers from what he believes to be cardiac arrest during an interrogation at the witness stand. The team's preliminary diagnosis is hyper-anxiety, but when Adams and Park investigate the patient's home and find a hidden arsenal of firearms, they uncover a more alarming and deep-seated psychological disorder. Also, Wilson becomes obsessed with proving that House is hiding something in his home, Park slowly comes out of her social shell and Foreman's lack of romantic relationships piques the interest of Taub and Chase.
An Alzheimer's patient visits Princeton Plainsboro as part of a hospital sanctioned drug trial, but when he inexplicably suffers from violent vomiting and an increasingly explosive temper, the team begins to unravel a deeper marriage conflict between the patient and his dutiful wife. Meanwhile, House and Foreman butt heads, and Wilson treats a patient who claims to be in a chaste marriage.
The team treats an underage and homeless female patient, but when her symptoms worsen and call for an invasive surgery requiring adult consent, House and Adams argue over whether they should contact social services. The patient confesses that she ran away from home after struggling to take care of her mother, a recovering drug addict. But when her mother appears at her bedside, a more complicated relationship is revealed and the patient's mother must put the past aside and make the best decision for her daughter. Meanwhile, Taub has a difficult time connecting with ...
When a violent incident involving a patient has serious consequences for one staff member, House and the team are placed under review by Dr. Walter Cofield, Foreman's former mentor and current Chief of Neurology. As House and each member of his team recount the details of the dramatic and life-threatening incident, Cofield must weigh the team's unconventional brand of collaboration against their ability to save lives.
Chase takes on a patient, Moira, who is a cloistered nun on the verge of making her life-changing vows, and through the treatment process, he and Moira form a unique connection that tests their faith and reason. But when Moira's condition worsens and requires a risky surgery, Chase's judgment is compromised. Meanwhile, House and Taub try to remain one step ahead of each other's pranks.
A marriage counselor collapses during a speaking engagement, but when he is put under close evaluation, the team notice changes in his behavior that conflict with his motivational message on the roles of men and women. Meanwhile, House and his Ukrainian "wife" Dominika make a deal to convince Immigration that they are a happily married couple. Also, House decides to name a team leader.
House and the team battle to save a successful, independent blind man who is struck down by a mysterious illness, just prior to him asking for his girlfriend's hand in marriage. Meanwhile, House's mother unexpectedly arrives at Princeton Plainsboro to inform him of her new beau.
House and the team take on the case of a man who starts tearing blood. Meanwhile, House is interviewing for a new favorite hooker, since his current favorite, Emily, has decided to get married and leave the business. Desperate for Emily "companionship," House teams up with his "wife" Dominika to sabotage Emily's budding relationship.
When the team takes on the case of Emily, a six-year-old girl who has numerous preexisting health problems, they must work with her mother Elizabeth, who happens to be doctor herself, specializing in her daughter's condition. The team must also deal with the battles raging between Emily's mother and father who have conflicting views on how to handle her health issues. When searching the family's home for clues to Emily's illness, the team realizes that Elizabeth's determination to cure her daughter could be the very thing that is killing her.