Trapped in a violent, loveless marriage, Madam Giselle has nothing to look forward to in her life. But one day, seeking an escape, she comes across the monster her husband has trapped in the basement—a ragged, beaten, bloodsucking little boy. Giselle is frightened, but she visits the boy every night, seeing the humanity in him. Their secret night meeting slowly revive Giselle, but is a new lease on life worth shattering the one she already has?