Whilst Paige takes Kyle back to the 1980's to show him how his parents really died, Phoebe tries to show Piper the better world that she saw in her vision by temporarily switching powers. However, Zankou interferes and their powers are passed on to two passers by.
Darryl asks the sisters to help his friend whom he believes is possessed. Phoebe is sent back to the later 1800's along with Drake to try and help him, Piper and Leo set out on vacation and Paige is forced to impersonate Phoebe in an interview.
Attacked by demons and faced with the loss of Leo, Piper fights to stay alive with a little help from an old 'friend'. Drake's life ends at midnight. And Leo's punishment has now been decided. He is sent without memories to find his way back home, with the Elders or the sisters.
A soul swapper demon called Imara exchanges her soul with Phoebe in order to use the power of the Charmed Ones to kill the main servants of her enemy, Zankou. Meanwhile, Paige has to persuade her first official charge as a Whitelighter, Mitchell Haines, to use his powers when necessary.
Viccus, a demon who possesses the power of corrupt children through cursed objects (toys), tries to turned little Wyatt into evil. Piper writes a spell to understand Wyatt's words, but she brings adult Wyatt from the future instead. Vicuss succeeded turning Wyatt evil, but Leo figures Vicuss plan out, and helps Wyatt turn good again.
After their fake funeral, hosted by father Victor, the sisters magically assume permanent new appearances, hoping for normal, carefree lives, but the ploy also discontinues Phoebe and Piper's careers and relationships. Paige has neither, but her white lighter half can't be turned off, so she must respond to danger incurred by an overconfident witch, none other than Billie Jenkins. Agent Keyes suspects the sisters aren't dead and pretends to have abandoned their case, in fact leaving agent Murphy to observe the house discreetly. Hell has been decapitated, but demon ...
When Piper goes for a job interview with a corporate recruiter, she's shocked to learn that the background check of her assumed identity was that of a woman wanted for murder. Meanwhile, Phoebe has a premonition of Dex being in an earthquake.
Wyatt's school play brings out the competitive nature in Piper when her hand-sewn costume and parenting abilities are criticized by another Stepford-like mother who is actually a demon in disguise bent on kidnapping Wyatt in a plot to resurrect the Source. Meanwhile, Paige spies Dex with another woman, and despite Phoebe's objections, butts in.
Billie is determined to kill a particular demon but can't when confronted by memories of when her sister was kidnapped on Halloween. A reporter is constantly harassing the sisters and Paige attempts to throw him off by impersonating the ghost of a girl he knew. Piper and Leo are having problems.
Agent Murphy calls upon the sisters to help captured a demon who has been infected with a government created virus that causes magical beings to turn "Incredible Hulk." They have to find an antidote to the virus after Billie catches it.
The Angel of Death is after Leo but Piper inadvertently casts a spell that makes every male look like Leo. The angel of Destiny come to visit and tell them that Leo's Destiny is to die. The Angel of Destiny offers a deal.