Oliver continues his battle with Cayden James. Dinah and Oliver have a major disagreement that endangers the life of one of their own.
Jack Griffin is a Harvard philosophy scholar who loses out on his dream job and goes to work as a high school Advanced Placement biology teacher in his hometown of Toledo, Ohio. He quickly makes it clear he will not be teaching any biology, however, and, realizing he has a room full of overachieving honor roll students at his disposal, decides instead to use the kids to enact revenge on his rival and take the job that is rightfully his.
When Esther and Benji stand in line for a Kylie Cosmetics pop-up store, Esther tries to avoid the distractions of rabid teenage girls and cutthroat moms while Benji roams off and becomes the man he really is a guy who owns a saltwater aquarium.
Janelle and Dondre cant seem to hide their true feelings, while alliances at High Water are challenged.
Odalie finds out why Davis has been skipping class, Kings loyalties are torn, and Tal finally makes a move on his crush.
Poppy and Janelle open up to one another, as Rigo and Dondre grapple with the events of the party.
Joanna and Billy are convinced that the local steel mill and its owner Ben Matheson are responsible for the barrels. A shocking revelation in Joanna's personal life leads her to question everything her father had told her.
K.C. decides to save Ernie since it was her fault the barbecue failed. They learn the Bishops have planted listening devices and someone called the "The Mask" wants the weapons sold.
A former catfish turns to Nev and Max for help when they fall hard in love online. This catfish might be playing Nev and Max, or may end up paying for their crimes with a broken heart.
All seems well for Mary, Ben has forgiven her, and she and Des have decided to move forward with the death retreat. The only nagging concern for Mary: her daughter Jess hates her and doesn't believe a word out of her mouth.
Liz is completely bed bound with severe lymphedema that makes it impossible to walk. Utterly isolated, with no friends, she battles depression, and lives with her mom who is too ill to take care of her. Liz desperately wants to become mobile.
Winter may be over but spring presents a whole new set of dangers on the Rocky Mountain railroad. Lethal rockslides threaten Canadian Pacific's longest and heaviest train.
The crew races to an emergency when disaster strikes at an Indian wedding. Abby enlists the help of Buck to try and find her mother and, for the first time, meets Athena face-to-face. Meanwhile, Bobby has a difficult time confronting his past and Hen struggles to make the right decision.
Four people and their otherworldly frienemy struggle in the afterlife to define what it means to be good.
A card game is interrupted with gun fire leaving a young man dead. Lt. Kenda soon learns the seeds of his destruction were sown earlier that day. In another case Kenda responds to a double shooting, taking him and his team down memory lane.
As Liz works with Red to hunt for Tom's killers, she begins to question his motives. The Task Force enlists the help of one arsonist to catch another.
When a gang from El Salvador infiltrates Chicago, Intelligence works with a visiting detective to put an end to the crew's brutal tactics. Meanwhile, Antonio finds himself getting close to Salvadoran Detective Marcella Gomez and Voight learns that the body of his son's killer has been found.
As Eliot is hunted, Quentin and Julia discover a powerful secret tied to the history of Brakebills.