Yan is a successful artist. One day he is waiting for his date Florence to turn up at his apartment. As the doorbell rings, he finds another young woman in underwear on his doorstep: his neighbor Eva! She tells him she locked herself out of her apartment and insists that he helps her. Whilst Yan is trying to enter Eva's apartment via their adjoining balcony, his phone rings. It is Florence, and she is not impressed when a female voice answers the phone. At this point, Eva's rabidly
