Arrow gets a stalker when a woman he once rescued decides to start killing criminals in the hopes that the two of them can be together. Meanwhile, Thea gets a new DJ and Ray invites Felicity out to dinner. In the past, Oliver helps Tatsu when Maseo goes missing.moreless
Following Charlie's death, Jimmy's crew become nervous and Max makes progress on the missing money. Meanwhile, Grace and Mitch find that a dead Treasury agent may be linked to Sam's death.
After a series of brutal murders where the victims had their hearts torn out, the Winchesters track down and locate the killer. However, they soon realize that he's not the only killer and the others are still at large.moreless
When convicted bomber Paxton Petty reappears to place bombs throughout San Francisco, the team take methods from the past and apply them to the present to find him.