In the fourth season premiere, a Neolution attack destroys Sarah's refuge in Iceland and forces her to flee once again.
Dallas is enraged over his recent encounters with authority, and when one of the judges at the fair thinks he is just a visitor and doesn't believe that Dallas is Alli's partner, he thinks he is being racially profiled again. He gets angry with the judge and they walk away from Alli's project, without her getting to do her full presentation. Tristan is confused by Mr. Yates' mixed signals. Clare sabotages Drew's chances with Eden.moreless
Dallas gets upset when he realizes that he is being racially profiled after an incident at the mall, and gets even more upset when it happens again, while he is driving to the Science Fair. Tristan's home life isn't very good, as his parents are fighting, and connects with a new teacher, who has a secret writer's society, that Tristan desperately wants to be a part of, but doesn't get invited to. When Clare hears that everyone thinks she and Drew are dating she sets him up with an online profile, but makes a fake account for herself to see if he'd choose her.moreless
The Orphans are pitted against each other as Sarah plans what to do next. Meanwhile Paul does his best to conceal Sarah's existence. Alison's retaliation on who she suspects is her monitor could come at a high price.moreless
Paul goes missing which compels Sarah to tackle the conspiracy herself. The fragile trust between Paul and Sarah is ready to disintegrate when Paul finds out Sarah has kept information from him. Cosima is drawn closer to Delphine and Dr. Leekie.moreless
Even as Sarah searches for answers, Allison's paranoia becomes an urgent concern for the Orphans. Sarah has to decide who to entrust with her secret after the separate worlds of Sarah, Alison and Beth collide.moreless
Sarah turns her suspicions toward Paul when evidence suggests the Orphans are part of an ongoing experiment. But Paul is doing some investigation of his own. Allison's paranoia becomes a source of impediment.moreless
Kenzi and Bo find a den of Alligator Fae when they go looking for Kenzi's friend who vanish before her eyes. Hale and Dyson discover a conspiracy. Bo is having nightmares of attacking people, so Trick contacts a Weaver to help her out. Dyson gets a new partner.moreless
With the death of the last Ash, the new acting Ash uses Bo to prove himself worthy of becoming the next Ash. Going undercover means breaking Fae and human law and ending up in an inmate in a prison run by Amazon women. Can Bo and Lauren find out what is turning honorable warriors before it is too late for all of them?moreless
A senator is abducted during a bomb hoax and Team One discovers that the kidnappers are two farmers who want revenge against the senator when he plans on turing their land into an airport.moreless
A Bosnian immigrant named Iris, is arrested on suspicion of killing the judge for deporting her brother. Vincent is convinced that Iris is innocent, and Cat works to dig up the truth. However, Cat is put on leave when her actions disrupt the official investigation. Nevertheless, Cat continues her own investigation and learns Iris is hiding a family secret, and Cat turns to Vincent for help. J.T. worries that Murifield will learn that Vincent is alive if he continues to help Cat, so Cat devises a method to communicate with Vincent without seeking him out.moreless
With the rookies on their own during a turbulent night in the station, a prisoner pulls a gun on Chris. IA's inquiry into the incident leaves the rookies thinking about the choices they made that led to that night's events and about the fine line between telling the truth and having each other's backs. Meanwhile, Gail it still trying to recover from her traumatic kidnapping. And while Chris is caught unaware by a surprise, Andy learns a secret about Nick's past.moreless
Amanda and Ari organize a Zetrov board meeting and prepare to take over the company. After a heated face-to-face argument with Amanda, Nikita reflects on what Amanda was like when she first joined Division. Meanwhile, Alex catches Ari off guard by arriving at the board meeting with an old and powerful friend.moreless
What Bo uncovers while investigating the mysterious disappearance of human backpackers threatens her own fine physique. Meanwhile, the new man in Bo's life sets events in motion that force Kenzi to make a desperate choice.moreless
Mitch defends a recently graduated lawyer who is unable to find work in the profession and opens an illegal casino. He is accused of killing a gangster who was trying to extort money from him and, when unable to do so, fractured his best friend's spine leaving him wheelchair bound, possibly for life. He is pleading self-defense in the shooting.
Meanwhile, the Althea Sanderson moves towards a settlement and significant facts are uncovered in the Sarah Holt case.
Gus may have found his Utopia when he and Shawn hide a witness to a murder no one believes occurred at a commune for "progressive intellectuals."
Kane and his team investigate a new drug ring that is spreading toxic ecstasy at Raves. The team race against the clock to put the drug ring out of business before the body count increases. Meanwhile Detective Gates joins Kane's team, while Radner is on special assignment, and has a life threatening encounter.moreless