At a university an engineering professor got killed by a swarm of bees. The team thinks the swarm is controlled by a Meta human and start searching him. In another bees attack the team captures a bee that is actually a robot. They are getting suspicious about Brie Larvan a Mercury Labs scientist, who is killing his former employees. Dr. Tina Tells Barry Flash that Wells changes after his wife’s death. Flash Barry tells Caitlin and Cisco about Wells, Cisco believe him but Caitlin doesn’t.