Part One (chp 1-31) - Niall is a shy and studious transfer student from Ireland. He gets picked on and doesn't have a lot of friends. He meets Sam, the most sought-after girl in the school, by the guy who picks on him the most. She's only interested in seeking out a math tutor. Niall starts tutoring her under the agreement it stays a secret. The secret gets harder to hide when he slowly becomes more than just her tutor. Part Two (chp 32-44)- After high school Sam and Niall end up at different colleges. When she transfers to his college after two years like she promised she discovers he isn't the same shy sweet boy she fell in love with. At least not on the surface. Part Three (chp 45-64) - Sam helps Niall work through all the aftermath of his careless reputation. They try to maintain a healthy relationship despite all the rumors and challenges that come with working through the past.