The girl is depressed because all her friends have already had sex and she's the only one who doesn't know what a dick looks like. Yeah, she's seen videos but never in real life. When she tells her stepfather about her problem he's more than happy to help her. The man shows her his dick and the girl's instinct makes him put it in his mouth. The man gets his dick hard instantly and forgetting that it is his stepdaughter he fucks her pussy in various positions giving her a master class on cocks