Hannah and Leon are playing in the garden. They have promised not to run away. But when a man stops at the garden fence and tells Hannah about his dog, she really wants to see it. Should she go with the man, just for a moment? She follows the stranger and soon realizes that something is very wrong. Luckily, the neighbor has seen everything, and Hannah is soon safe again. And one thing she knows for sure now: You should never go with a stranger!.