A young woman inherits a mysterious music box from her adoptive mother. As she investigates its origins, she discovers that the box is haunted by an evil spirit, causing a series of terrifying events.

Lara Winslet, an expert geologist in volcanology, gets trapped underground after an accident. Alone and unable to be seen or heard, this experience becomes a turning point in her life, forcing her to confront her priorities and reevaluate her relationship with her daughter.