Arrow Recap With Spoilers: The Scientist

The episode opens during a lightning storm, with something slamming on a metal door or wall in a warehouse. Two security guards prepare for the worst but eventually waste a whole lot of bullets before being set upon by a man moving too fast and hitting too hard for them to stop–or survive.At Queen Consolidated, Felicity welcomes Moira back awkwardly, and then Moira and Ollie head into a Board of Directors meeting. Isabel is not happy with that, and calls Oliver into the other room, saying that Moira presents a huge image problem for the company. She leaves, and Diggle and Felicity come to inform him about a break-in.Outside in the rain, someone exits a train, shielding his head from the rain with a science magazine featuring the S.T.A.R. Labs particle accelerator. He looks at his watch and curses.