The Arrow comes to Central City in pursuit of a felon. Barry hopes to team up, but a meta-human who can control emotions turns one against the other. With boomerang-wielding killer Digger Harkness targeting Lyla and A.R.G.U.S. agents, Oliver enlists the help of his old friend, The Flash.
Grant Gustin , Stephen Amell , Danielle Panabaker , Carlos Valdes , Candice Patton , Jesse L. Martin , Rick Cosnett , Tom Cavanagh , Emily Bett Rickards , David Ramsey
