The team takes on a strange case. There are suspicions that the recent death of a woman was not due to natural causes. Thus, an order is given for her exhumation. But the coffin is empty and the body has been stolen. It seems that this is the work of the murderer to cover his guilt. Penelope and Kalatzis are asked to solve a mystery in a family mansion, with many potential culprits, reminiscent of an Agatha Christie story.
