When a charred body is discovered atop a bonfire, the quiet community of St Agnes is shaken. Ben Kitto, Deputy Chief of Police for the Scilly Isles, has no choice but to lock down the island and forbid all residents from leaving. With a population of just eighty people, everyone is a suspect and no one is safe. As threatening messages begin to appear, written in the old Cornish language, Ben suspects that the killer’s motive may be to rid the island of all newcomers who threaten their traditions. With time running out, Ben hurries to discover the secrets of the island’s more peculiar residents, but he knows it’s only a matter of time before another fire is started...