A pretty girl named Eva is not feeling well. Instead of studying and painting a picture for a school assignment, she goes to parties. Her personified conscience appears in her quite disorderly room, sitting in the rocking chair. While Eva is dressed in black, her hair loose and her eyes made up with a black liner, the conscience girl is dressed in white, her hair is neat and her makeup much more delicate. Eva is told that she should stop living a superficial kind of life and do something with herself. But it only takes a single telephone call from Petr, a man she has met the night before, who calls her Sunshine, and Eva forgets all about her resolutions; she invites Petr to come over to her place...