Tris is homeschooled and doesn't have many friends. When she's not home focusing on school, she hangs out with her long time best friend, Christina. Christina goes to the public high school in their town and invites tris to a high school party. After begging tris do come, tris finally decides to join Christina at this party. Tris stands off in the corner most of the night while Christina hangs with her boyfriend, until she meets Tobias Eaton, a well loved popular quarterback at the high school. What happens when the two meet... what does it become?