A group of straight boys, vacationing together, find themselves in a steamy, crowded sauna. As they strip down to their underwear, the heat intensifies, not just from the steam, but also from the growing tension between them. One by one, they succumb to their hidden desires, their underwear doing little to hide their arousal. They exchange tentative glances, then eager touches, as they explore their newfound gay desires in a wild, sweaty, underwear-clad three-way.