Archdeacon Sidney Chambers is beginning to think that the life of a full-time priest (and part-time detective) is not easy So when a bewitching divorcee in a mink coat interrupts Sidney's family lunch asking him to help locate her missing son he hopes it will be an open & shut case The last thing he expects is to be dragged into the mysterious workings of a sinister cult or to find himself tangled up in another murder investigation But as always the village of Grantchester is not as peaceful as it seems From the theft of an heirloom to an ominous case of blackmail Sidney is once again rushed off his feet in this eagerly anticipated fifth instalment in The Grantchester Mysteries series