She belongs to her university's tennis club and is invited by a senior alumnus, along with a junior member, to join a barbecue outing. Driving together along a mountain road, they arrive at a campsite and head out to catch fish for their main meal. The two men, each harboring hidden desires, engage in fierce competition over her. The winner earns the right to have sex with her for the first time in the cabin. An erotic night unfolds in the wilderness.