Karen and Damián find out that their son Arturo is being bullied at school, which triggers a series of nightmares. Thanks to Melissa and Laura, Karen meets Tony, a specialist willing to help Arturo.

Karen, Melissa and Tony investigate Arturo's past, who continues to have crises over his memories. The trust between Karen and Tony grows thanks to the boy's approach to the therapist.

Laura adapts to her new reality with the help of Melissa and Tony. Karen realizes that Arturo naturally speaks an indigenous language, the same one he expresses when he dreams or has nightmares. Tony begins the hypnosis sessions.