Ove is the block's grumpy old man who enforces strict neighborhood rules and whom every body avoids. One ordinary day a new family is moving in next door to Ove and accidentally backs into his mailbox. Turns out there is an unexpected friendship that blooms out of it.

Robert, an amateur scientist, spends hours in in his basement full of wires and oscillators experimenting with sound waves. After he engineers a frequency that allows him to hypnotize other people, he lures his attractive new neighbors into his house to act as test subjects for his discovery. Under Robert's control, the oblivious couple are manipulated into increasingly deviant role playing games that fuel Robert's megalomania and allow him to indulge...