A search for the one thing that may give the Winchesters an edge against God leads Sam and Dean to Jo’s door and to a secret that may have died…

As Oliver and Helena grow closer, Oliver trains her to be his ally, complete with showing her how to use a crossbow. Diggle disapproves of Oliver sharing his secret with…

Oliver encounters a mysterious woman, Helena Bertinelli, daughter of mob boss Frank Bertinelli, who he can finally be himself with, but he soon comes to realize she’s hiding dangerous secrets…