Mia is 17. Mia's mom is 35. Harry is 23.
Once Kendall picks Harry up at a local bar, she brings him home for her usual one night stand. The morning after, Mia finds Harry in the kitchen, and he immediately decides he wants to stick around and play the role of Daddy; but things ultimately take many twists and turns. People die, people live, and people come closer than ever and then split apart.