Sean Rogerson

When Frank Bertinelli (guest star Jeffrey Nordling) is arrested, Oliver knows it's only a matter of time before his daughter, Helena, aka The Huntress (guest star Jessica De Gouw), returns to town. To make matters worse, Laurel is picked to try Frank's case, putting her right in the path of Helena. Oliver tells Sara he will handle his ex-girlfriend, but when Helena takes hostages at the courthouse, including Laurel, the Canary will stop at nothing to save her sister. When The Huntress and Canary meet, an epic battle begins. Meanwhile, Roy realizes he needs to keep Thea safe, but doesn't like the way he is forced to go about it.

Oliver's world starts to crumble when Slade makes his move against Oliver – and the repercussions are enormous. While Oliver scrambles to protect his family, a key player in his team starts to question Oliver's decisions. Meanwhile, Isabel makes her move to take Queen Consolidated away from Oliver.

After Slade threatens to take away everything Oliver loves, Oliver decides the fastest way to stop further bloodshed is to surrender to his enemy. Knowing that surrender will surely lead to Oliver's death, Diggle and Felicity go to extreme measures to keep Oliver from confronting Slade. Meanwhile, Thea considers leaving town, and Laurel resumes her crusade against Sebastian Blood. Finally, Slade unleashes his assault on Starling City

Resurrected from the dead by the Kandorians, a doctor kidnaps some of Zod’s people, along with Lois and an undercover Zod to prove his claims of an alien invasion. And Zod is shot!

Following an unexplained attack involving disfigured humans, the Fringe team visits Edina City, a small town in upstate New York to uncover leads surrounding the bizarre case.