What is the denouement of the story the adventure of the cardboard box

Answer: The denouement of the story "The adventure of the cardboard box" is the confession by Jim why he murdered Mary and her male companion also.

Explanation:

The story "The adventure of the cardboard box" is a mystery and to solve this mystery Sherlock was called. In the story, Mary and her male companion whose name was Alec Fairbarn were murdered. To know who murdered them and why, Sherlock was called.

In the last part of the story which is also the Denouement of the story, there is a confession made by Jim browner who had murdered both Mary and Alec. He gave a series of events for explaining the reasons why he had committed this crime. He explained that he did not like the closeness of Alec and Mary who was Jim's wife. So out of jealousy and frustration of their spoiled married life, he murdered both of them.