Blanca, a woman painter, will create a ritual to overcome her fear of the dark. Stuck in her paint shop unable to move forward, she must begin the rite. When the sun goes down, she prepares herself, she has to comply with only one rule, not to turn on the light. Between dreams and hallucinations she finds herself, her past, her childhood fantasies and her distorted thoughts. The night passes, Blanca must go through her fears to achieve her goal and thus discover a new version of herself in the dark.