Greevey and Logan discover that a hospital is covering up an emergency room physician's mistake which results in a patient's death. They later find out that the doctor may have also been drunk at the time.
A police officer is accused of planting a gun on an unarmed African-American youth that he shot. The victim was beloved in his community, but the investigation reveals that he may have also been a drug dealer.
A young black girl claims to have been raped by white police officers. Police and Prosecutors struggle to get the truth after an ambitious black congressman claims the investigation is a racially-motivated cover-up.
Stone temporarily dismisses rape charges against three defendants because the victim's testimony has too many holes. Greevey and Logan's subsequent reinvestigation uncovers a possible fourth assailant.
Stone makes a deal with a group of low-level mobsters when they offer to testify that a crime boss murdered a missing union leader. However, the prosecution's case unravels at trial, causing all parties involved to walk.
Detectives and prosecutors face resistance from federal authorities as they pursue murder charges against an suspected IRA member serving time in federal prison, after he is suspected of killing another federal prisoner.
Grevey and Logan discover that an apparent mugging victim found unconscious on a park bench has had his kidney removed. The case leads to a powerful man whose daughter desperately needed a transplant and the doctor who may have helped him.