Miss Nikki

Hercule Poirot had to find a key to the mysterious murder of miss Nikkiwho was old and live alone in her own two room apartment. She was found death on the boat of a lake. She used to go their every evening in order to remember her old memories with her family. Her husband and kids died two years ago in bomb blast in a hotel and from then she is alone. She only talks with her neighbour who is a student of a university nearby.

Hercule Poirot was told by other officers that in the evening miss Nikkiwent for boating with her purse and a book and next morning, she was found dead by a few people who went near the lake for a walk and there was a sign of M on her right hand. This type of murder style was used first time. There was CCTV camera their was no prove their. They searched for more than a year and there wasn't any proof. So, the case was closed. After few months of closing the case, A new murder was attempted with the same technique and this time they knew that she was killed by the same murderer but their was no prove.

The murder was again done by the same knife. There was a M on hand and was killed by suffocating. This types of murder started happening. So, most of people stopped visiting the lake. Hercule Poirot decide that he would change his looks and would went to lake in the evening. Then he was attacked the murderer but the thing was he had permission to shoot him. So, he didn't kill him but shoot in his leg and called police. Then, he opened his mask and then he realised that he was a psycho who ran from a mental asylum.