Sabina has a regular life. She is satisfied with her job and her love for Franco. However, recurring nightmares have begun to disturb her, and at around the same time she discovers that she is pregnant. Little by little she recalls the childhood which she spent with a severe middle-class family. However, a big secret is hidden within her heart and Sabina feels the need to make contact with her brother, a University professor in the US, to try to understand what happened in their shared past. She is determined to find out what is disturbing her to bring clarity and serenity to her life. In the end, she hopes to free herself from the “beast inside her heart”.