|Location||St. Louis, Missouri|
After Zach is arrested for the murder of his girlfriend, Emily, his sister Becky seeks the help of Sam and Dean in order to prove his innocence. She tells Sam and Dean that Zach had been drinking with her until after midnight, well after the time Emily was supposed to have died. Zach is later released by the police when a new suspect, Dean Winchester, turns up. The shapeshifter wearing the physical appearance of Dean was caught attacking Becky and was later found dead at her house.