Biddlecombe is a perfectly ordinary English seaside town—except everyone there has been turned to stone.

Two seriously out-of-their-depth police officers uncover the strange truth of what happened when middle-aged and romantically disappointed hairdresser Marjorie Briggs finds something in a polythene bag on the beach that didn't belong there—something ancient and terrible with the power to seriously muck up the lives of Marjorie and all those she loves and hates.