Penelope, a divorced mother with an unusually high IQ who works as a cleaner in a police station. One night, she unwittingly gets involved in the investigation of a crime and contributes decisively to its resolution.

A seventeen-year-old boy is found charred – Lavrentis asks Penelope for a divorce!

Penelope makes a big mistake in the case of the murder of a judge!

Argyris hosts Penelope temporarily, while Joanna tries to hide her annoyance.

Smaragda Karydis) wants to find her own house, but due to her two-month absence from work, she has no money.

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.