Maigret: Season 4

When Maigret's fellow police officer Lognon is shot in Helsinki, he's forced to travel to Finland in order to investigate Lognon's shooting with the help of a local police officer Ari Vaara. But how are a Swedish art dealer, his French wife and a mysterious Brit involved in the shooting?

A rich entrepreneur is assaulted and Maigret must find out who did it and why.

Young Cécile and her aunt are killed. Maigret must find out who did it.

A young prostitute is killed in a posh Paris apartment, and Maigret is on the case. Who did it?

The maid to a wealthy elderly woman is murdered. The latter tells the authorities that she believes it was a case of mistaken identity by the killer and that she herself was their target.

Maigret visits a small town trying to get information about some Polish gangsters. While staying there, he catches the flu. During his recovery, a murder occurs in the inn where he is staying.