In the throes of solitude, a young man, haunted by taboo desires, gives in to his forbidden urges. Cac Nung Chay Nuoc, or 'solitude's rain,' is his secret mantra as he strokes his throbbing cock, imagining the unthinkable. His mind races with visions of taboo delights, his body responding to the sinful thoughts. He fights the urge, but the temptation is too great, and he surrenders to his solo indulgence.