Alma, along with other schoolchildren, was involved in a car accident. The bus crashed, and most of her classmates died. The main heroine wakes up with no memory of the incident or her past. Her parents seem like strangers to her, and her home is full of secrets. The girl believes that everyone around her is lying, trying to turn her into someone else. Trapped in a maze, she must figure out what happened and investigate the events that led to the fatal car crash.