Shimingli's film opens with siblings trapped in a closet, their bodies pressed together in a dance of denial and desire. The girl, dressed in modest attire, can't resist the allure of her brother's bulge. She tentatively reaches out, her fingers brushing against his hardness. He gasps, his body betraying him as he grows erect. Their breaths syncopate, each inhale drawing them closer, each exhale pushing them apart. But their bodies have a will of their own, their hips moving in a rhythm as old as time, until they're lost in a frenzy of taboo lust.