Julia Ann is playing the part of a doctor in this episode of Moms Teach Sex. Tyler is dealing with a premature ejaculation problem and Julia here thing it would be in his best interest if he practices with his step sister played by Sandra Luberc. She asks Tyler to tell her when he is getting close to cumming and when he is she gives him a slap. The continue doing this until Julia is just too horny to sit in the sidelines so she lets her patient fuck her too and lets him cum on her face.