The beautiful young Alice, befriends ann, a elegant lady, with a obsession with butterflies. Using her innocence, Alice builds a troubling mum daughter relationship with Ann. Lured into her universe, Ann finds that she isn't the recipient of their girl's affections. Confronted by the other female buddies of Alice, a dark beyond awakens, unchaining a spiral of madness: a collection of brutal and bizarre crimes that Ann will have to devote to preserve her deceptive and benign appearances. The one that recognizes there's something is eight year-old her next door neighbour's daughter, Julie. With a child's inevitable curiosity, Julie begins to explore the corners of Ann's flat, uncovering a secret hidden in this butterfly room's walls. Nobody considers what she has seen with the exception of Ann's daughter. She realises that the fate of this younger girl lies within her hands.