Thea Osborne reconnects with her friend Emmy while on a visit to the church in Baunton, near Cirencester with her stepdaughter Stephanie. Emmy, now married to local farmer Nick Weaver, asks Thea to, help them find their missing niece, Ginny.

But before Thea can get started, she stumbles upon the recently killed body of Alice, a woman they had briefly seen in Cirencester the day before. Stephanie concentrates on searching for Ginny via social media while Thea is diverted into helping the police with the murder investigation. It soon becomes clear that Ginny and Alice are linked in a sinister way.