It's next Thursday. Elizabeth receives a letter from her former colleague. He has a complicated and tangled past: diamond theft, connections to a brutal mafia and a real threat to his life. He has made a big mistake and now needs help. The bodies are increasing, Elizabeth involves Joyce, Ibrahim and Ron in the investigation. The group of elderly people embarks on a search for a ruthless killer. If they find the diamonds in the process, it will be a nice bonus. However, this time the opponent of the pensioners is ruthless and will not hesitate to end the lives of all four.

Welcome to the "Murder Club - every Thursday" Four unlikely friends. A new, gruesome murder.