Oliver and Barry hide Kendra and Carter in a remote location while they try to figure out how to defeat Vandal Savage; Felicity, Thea, Diggle and Laurel work to come up with a weapon to destroy Vandal.
In this cross-over from "The Flash", Oliver and Barry Allen hide Kendra and Carter in a remote location while they try to figure out how to defeat Vandal Savage, while Felicity, Thea, Diggle and Laurel work to come up with a weapon to destroy Vandal. Meanwhile, Oliver tries to re-connect with his old girlfriend Samantha and her son.—Larry B.