Darcy Laurie

While Madison struggles to keep Nick from crippling withdrawal, Travis ventures out to find his son before the city of Los Angeles falls.

Arrow offers to train Roy so he can learn to control his newfound super-strength. However, Roy is a rebellious student and refuses to listen unless Arrow reveals his true identity, which Oliver refuses to do. Meanwhile, the Bronze Tiger (Michael Jai White) escapes from prison and steals Malcolm's earthquake machine to sell to the highest bidder. Oliver, Diggle and Felicity attempt to stop the transfer, but Roy gets in the way, putting everyone in danger. Laurel is disbarred and spirals out of control. Moira is thrilled when Walter (Colin Salmon) asks her to dinner, but his reason surprises her. Thea encourages her mother to ask Walter to reconcile.

Henry encounters a troubled Cinderella in a distant realm and is forced to make difficult choices. Henry's daughter Lucy finds him disillusioned at his home in Seattle and must make him remember his true self to defeat the curse.

A French salvage ship's diving crew is stricken with a bizarre illness while attempting to recover World War II wreckage.