AsiaM presents an exclusive, taboo-filled family drama as a dysfunctional Japanese clan succumbs to their carnal desires during a raucous spring festival. The family patriarch, a lecherous old man, watches with glee as his grown children and their spouses engage in a wild orgy, fueled by alcohol and primal urges. Siblings swap partners, mothers and fathers explore each other's bodies, and inhibitions are cast aside in a whirlwind of carnal pleasure.