Harry, Drew, Scott, Edward and Jax are all emergency room Doctors at London Public hospital. They are expecting a quiet night on shift but what they get is anything but. Louis lost his parents at 14, he's been abused and neglected by his foster parents for the last two years. Fate brings him to Harry and the boys, who vow to do whatever it takes to keep Louis safe

Louis has just graduated university when he meets the successful, dominating and rich Harry Styles. Louis has no idea how well known Harry is and he falls hard. Harry has one thing on his mind and it's Louis, he's not used to relationships and caring about someone, but he knows Louis is different somehow. Louis comes with a lot of surprises and three very overprotective brothers. Harry finds himself falling for the boy and when the past becomes intertwined in their lives, things become even more serious.

Louis is the youngest candidate to be selected for the police academy in ten years. At nineteen he has a hard time fitting in, especially with how Agent Styles and the other training sergeants treat him. He's been nicknamed Rookie and has to put up with it for the rest of his training What happens when Louis graduates and things become personal, he's lost everything before...will it happen again.