Happily Ever Aftermath
Grimm Season 1 Episode 20 (05/04/12)
Nick and Hank investigate the murders of Cinderella's stepmother, and later on her stepsisters. As it turns out Cinderella is a Wesen and is killing them herself.
Meanwhile, Juliette digs into Nick's past when his parents were killed in the car crash and a new suspect turns up.