Who'd break in and leave the house untouched?- When Michael and Hilda return from holiday to find two police officers awaiting them, a chaotic series of events ensues. The police have had an anonymous tip-off about child pornography being stored on Michael'-s computer. It's easy to prove his innocence, but who would do such a thing and why? At the same time it becomes clear that someone was living in the cottage while they were away, and may still be returning. Soon, they decide to take action of their own, with devastating consequences . . .