Island of Dreams
Grimm Season 1 Episode 15 (03/30/12)
Nick and Monroe help Rosalee in investigating her brother’s murder, and she decides to stick around for a little while.
Adalind comes back into Hank’s life, and through the help of magical cookies he begins to fall in love with her.
Wu eats one of these cookies and becomes deathly ill. Rosalee is able to cure him, but when he wakes up he begins to eat his couch cushions.