S1·E2 Dark Knight: The Second Chapter (2)

Someone is killing a number of homeless people and draining their blood. Then a museum guard is killed the same way and a special artifact is stolen, a Mayan cup that Nick believes can help him become mortal again. Nick suspects that his old mentor Lacroix is in town and behind the murders. Forced into a partnership with the unbearable Detective Schanke, Nick has to face both Lacroix and the Homeless Killer while trying to protect his friends.