Middle aged Olof is a shy virgin, living on a farm with only the younger Erik for a friend. Erik claims to have slept with thousands of women, and he needs Olof's inexperience to play off his own cocky and manipulative style. When Olof advertises for a housekeeper, he meets the beautiful and mysterious Ellen. The two become lovers, much to Erik's dismay. Gradually, the precarious emotional balance that kept the two men friends is skewed and Erik decides to discover Ellen's true motivations.