In the dead of night, someone starts a fire in a home for underprivileged children in Aberdeen. One person doesn't make it out alive. But the victim wasn't found in their bedroom; they were discovered locked inside a secret basement underground. As DI Eve Hunter and her team search the blackened ruins, she unearths a horrific discovery at the heart of the property - one that turns the whole investigation on its head. Everyone in this home has something to hide, but who has a secret worth killing for?