Thirty-six year old Mariana works as a group therapist in London as she mourns the loss of her beloved husband Sebastian, who drowned off the coast of the Greek island of Naxos a year earlier. When her niece Zoë calls her and tells her that her best friend has been found dead, Mariana seizes the chance and travels to Cambridge to offer comfort. But she soon finds herself in the middle of the investigation, and as other girls turn up dead she looks toward a […]