Zayn is mad for Harry, his wonderful, charming, beautiful flatmate and best friend. One problem: Harry is in a relationship. When Harry walks in on Zayn masturbating, things get a little troublesome.
Louis didn't like Harry, and he was fine with that. Harry didn't really like him either, so it was okay.
Liam didn't want to like Zayn, but he did anyway. Zayn didn't want to date Liam, but things were complicated.
Or where stereotypes, reputations, unwanted emotions, and a dozen other problems come into play when two unlikely couples get together.