Ollie, Felicity, and Diggle all come to Central City trying to track down an assassin who uses a boomerang. While they are there, a metahuman named Roy G. Bivolo causes chaos by inducing rage with a glance. When Barry is whammied Oliver is the only one that can keep him from hurting the people he cares about. It's an epic showdown between two titans. You can chat with us via Twitter @FlashFanatics or Facebook.com/FlashFanatics.