Killian and his wife are back from their vacation at a nudist resort, they want to tell everything about it to their son Tom, Killian is so into it, that he decides to get nude right there, the next morning Tom finds totally nude, at first he is stunned but he cannot avoid to notice his step-father's hot body. Later Tom sneaks into Killian's room while he works out, his naked sweaty hot body is a turn on so Tom he starts masturbating, Killian notices it and approaches him, Tom tries to explain but Killian finds masturbation natural and wants to talk about it while he takes a shower, there Killian asks Tom to help him do his back, then they kiss, rub their cocks against each other and Tom starts sucking Killian's dick, before getting fucked really hard, later they move to the living room where Killian keeps fucking Tom, he pounds him from behind, makes him ride his cock and eat his ass until they both come simultaneously.