Alexander Mendeluk in Grimm
"Bears Will Be Bears"

A blonde girl and her boyfriend, out for kicks, break into a house in the woods. They eat some food, and check out the furniture and beds. When the family (who can morph into bears) comes home, the girl gets away, but the boyfriend is tied up by the family's young sons. Later, the girl is also captured. They're then rescued, and the kidnappers and the young couple are all arrested.