The salty breeze and warm sun awaken the stepson's desires, his cock straining against his swim trunks. He catches his stepmom's eye, and a silent understanding passes between them. She stands, pushing her bikini bottoms aside to reveal her hairy pussy, and begins to touch herself, her moans carrying on the ocean breeze. He watches, hidden behind his sunglasses, as she fucks her fingers, her big, round ass bouncing with each thrust.