Divergent

The story is about Beatrice Prior who is in the Abnegation faction. They must be selfless, so she only can see herself in the mirror only four times the entire year and cannot celebrate her birthday. She has to wear the gray rope, which is the uniform of the faction. She has an older brother, Caleb, who goes to the same school with her and they are in the same grade. He is really selfless, just like how other Abnegation members should be, but Beatrice doesn't want to be like that. She wants to be in a different faction, so today's test will change her life forever. Every student in her school has to take an aptitude test, but she doesn't know what is on the test. Since the test begins after lunch,  all the periods have to be cut short. Her brother is in the first group to go to the room, as he comes back from the test, when he return,  he is worried and shaking. She is in the next group to get to go into the room, so that makes her feels very nervous. As she steps into the room, she notices  the Dauntless who has the tattoo on the back of her neck. She gives Beatrice something to drink and the test begins.