The team infiltrates an underworld weapons auction to locate Vandal Savage and get into a spot of trouble.
Firestorm lands the nuclear bomb on a remote island and sucks up its explosive power.
Stein, Sara, and Jax head to the university to borrow Stein's alpha particle tracker from his younger self.
Vandal Savage brings the device from the A.T.O.M. suit and orders his scientists to reverse-engineer it.
Snart, Rory, and Ray break into a mansion to steal the dagger only to find out it belongs to Vandal Savage.