Nelson, investigating a series of murder-suicides he has connected to an archaeological discovery--and to Ruth's seemingly sweet new neighbor, Zoe--he enlists Ruth's help until she, Zoe, and Kate go missing and he is left scrambling to find them before it's too late.
When the body of an archeology student, who went missing in 2002, is found during the renovation of a café, Dr. Ruth Galloway and DCI Nelson uncover a tangled web of relationships between the archeology group and the café.