Becca and Cassie are the main characters in the Crazy House. They are twins, but they are very different in terms of temperament. Becca is a risk-taker and rebel, and she is quick to anger. Cassie, on the other hand, is careful and contemplative.

The twins are sent to the Crazy House by their parents, who are hoping to get them to behave better. The Crazy House is a special facility that is designed to help troubled teens. It is run by a strict headmistress, Mrs. Plimpton, and her staff of counselors.

At the Crazy House, Becca and Cassie undergo drastic changes in their personalities. Becca, who was once a risk-taker and rebel, begins to take more risks and become more rebellious. She also begins to act out more often and is more prone to anger. Cassie, who was once careful and contemplative, begins to take more risks and become more adventurous. She also begins to act out more often and is more prone to anger.

The twins also make friends at the Crazy House. Becca befriends a rebellious girl named Lizzie, while Cassie befriends a thoughtful girl named Mandy. The girls form a tight bond and rely on each other for support.

The twins also have to deal with the strict rules of the Crazy House. They are not allowed to leave the facility, and they must follow the rules or face punishment. They also have to deal with the bullying of other inmates, as well as the bullying of the staff.

At the end of their stay at the Crazy House, Becca and Cassie have both changed for the better. Becca has learned to control her anger and take risks in a more responsible way. Cassie has become more adventurous and is more willing to take risks. Both girls have also learned to rely on each other and their friends for support.

The Crazy House is a unique facility that helps troubled teens to become better people. Becca and Cassie are the main characters in the Crazy House, and they both undergo drastic changes in their personalities during their stay. Becca learns to control her anger and take risks in a more responsible way, while Cassie becomes more adventurous and is more willing to take risks. The twins also form a strong bond with their friends and learn to rely on each other for support. The Crazy House is a place where troubled teens can find help and hope.