Switcock, a plump, insatiable neighbor, gets caught in the act by Tall Lizzy, another neighbor, while she's riding a skinny-body lover in the cowgirl position. To keep her infidelity a secret, Switcock convinces Tall Lizzy to join them for a steamy threesome. The trio engages in passionate lovemaking, with Switcock begging and pleading for Tall Lizzy's understanding and participation.