The life of Moonjung, the main character of Greenhouse, is not happy. She suffers from a psychological disorder, her young son is locked up in a juvenile detention center, and since she has no home, she lives in a greenhouse. She sometimes sees a man, but she’s not sure if she really loves him. However, since she is nice and sincere, she works as a caregiver for an elderly couple and gets by in harsh conditions until a tragic event happens. After the incident, her life falls into a whirlwind, and the narrative speeds into confusion. Using the genre conventions cleverly in every major part, the fate of Moonjung, who has fallen into the trap of tragedy, unfolds as a skillful thriller of pain.
Martha and Félix are the children of the Butcher of Mons, a notorious Belgian serial killer from the 1990s. Unstable and riddled with insecurities, Martha lives vicariously through social media. Her brother, crushed by the family legacy, takes over their father's killings. Harassed and violently assaulted at work, the docile Martha falls into madness and goes through the looking glass into the strange and terrifying world inhabited by her brother.