Gabi believes in her ability to act in times of injustice, relying on her physical abilities. One day, Gabi finds out that her brother, Daniel, is a victim of bullying in their neighbourhood. Suffering from unexpected outbreaks of sleepwalking, he disappears from home during the night. While trying to avenge him, Gabi realizes that perhaps all the coinciding events related to her brother are a test made by ghosts of the past.