Bored siblings Michelle and Luis, both teens, find themselves alone together one rainy afternoon. Michelle, a curious and adventurous teen, decides to explore her body, masturbating in the bathroom while Luis is in the shower. Caught in the act, they argue, but later, they succumb to their desires, masturbating openly in front of each other. Michelle's eyes widen at the sight of Luis's thick, hard cock. She can't help but fantasize about feeling it inside her. Just as they're about to cross the line, a sudden noise stops them in their tracks.