"i'll do anything for my sweet sixteen."

When her boyfriend dumps her, Alex out of uncharacteristic fury throws his anniversary gift that by a cruel twist of fate dents Harry Styles' car. As a poor college student with no money, she is forced to spend 25 days with him to pay off her debts. But a lot can happen in 25 days, and Alex had no idea that her time with Mr. Arrogant would turn into something more.

Working for a world-leading mafia, Harry knows how to kill, how to hunt his victims, and how to avoid any company of any kind. He's used to a lonely, quiet, and harsh environment. He is the best at what he does. And everything he does becomes problematic when he's assigned to protect the boss's daughter from world-known killers. Catalina tries to understand him, eventually failing because instead she falls for a man so willing to resist her. [Contains Mature Content]