Ksal Morningstar's wife, dressed in a seductive Halloween costume, answers the door to a surprise visitor - Magrinho, their well-endowed friend. Unbeknownst to her husband, she invites him in for a drink, and one thing leads to another. As they start making out on the couch, Ksal returns home, catching them in the act. The cuckolded husband is shocked but soon warms up to the idea of watching his wife with another man, creating a heated threesome that none of them will forget.