Nobody can forget their first kiss. Even if you were only 6 years old. Especially when the person who kissed you was your older brother's bestfriend. After Blair's father died, she became distant and her brother Blake has become very overprotective over his younger sister. His bestfriend, Aiden, was overprotective too. 10 years later, they're having a normal college life. After a few incidents, Aiden begins to look at Blair under a new perspective. But isn't there an unwritten rule about staying away from your bestfriend's sister?

Lexi Grayson is a normal teenager, as normal as she can be with her unobserving skills and her overthinking mind. But she might need the overthinking if she wants to unravel the smirking mystery that is Blake Eaton.