Arrow battles Slade, which results in one of his friends going to the hospital. Meanwhile, Thea hits her breaking point, forcing Oliver to choose between her or Slade.
Diggle and Felicity go to Lian Yu and convince Oliver to return to Starling City. Upon his return, he finds out that Isabel Rochev wants to take over Queen Consolidated. Thea is refusing to visit her mother in jail, Roy has stepped into Arrow's shoes and Laurel is trying to take down the vigilante. Flashbacks from the island show Shado, Slade, and Oliver in a difficult situation.moreless
The killer: Cameron Radcliffe; the victim: Nathan Conroy.
Detectives Flynn and Vega investigate when the body of a young man is found buried in a densely populated urban neighborhood. The investigation has Angie revisiting her experience as a juror. She must also deal with her feelings as Manny heads off on a trip to Europe.
When the mayor is assassinated, Kiera and Carlos join forces once again to try and solve the case. Kiera also reaches out to Alec but he hasn't been the same since reading the message from his future self.moreless
Oliver's life is going smoothly for once... until the Huntress returns to town. Meanwhile, Thea gets Roy Harper at job at the new club just in time for its opening night, and Laurel and Quentin try to come to grips with Dinah's return.moreless
The murder of a scientist working on developing a source of clean energy forces Keira to make a difficult choice - do the right thing or preserve the future. Meanwhile, Edouard Kagame arrives in 2012 and Kiera and Carlos are determined to find him before Liber8.moreless
Olivia returns from the alternate reality and Peter tries to get information about her visit. Walter makes some custard for his son's birthday, while Broyles deals with the threat of a government shutdown of the Fringe Division.moreless