His stepmother scolds him for looking at her and then tells him, Fuck me in the water.

Her stepson finds her alone in the hot tub, he hides and masturbates while watching her. She catches him, scolds him harshly for watching her, and he apologizes, ready to leave. Instead of kicking him out, his stepmother stops him and tells him to get in the water and fuck her right there. What starts as a scolding ends in sex inside the hot tub, with her begging him to fuck her harder in the water.