Lock & Key is a thrilling mystery novel written by Sarah Dessen. The story follows a teenage girl named Ruby who is sent to live with her long-lost sister Cora after their mother abandons them. As Ruby adjusts to her new life in a wealthy neighborhood, she discovers a mysterious key that unlocks a hidden door in the house.
Behind the door, Ruby finds a room filled with secrets about her family's past. With the help of her new friends and a handsome boy named Nate, Ruby begins to unravel the mysteries of her family history and uncover the truth about her mother's disappearance.
As Ruby delves deeper into the secrets hidden behind the locked door, she must confront her own fears and insecurities in order to find closure and move forward with her life. Lock & Key is a captivating tale of family, friendship, and the power of forgiveness.