A possible concise summary is:
This is a transcript of a musical performance based on a novel by Anatoly Rybakov. The story is about a mysterious disappearance of four people at a remote weather station in the mountains. A detective and his assistant investigate the case and find out that one of the missing people is actually the son of a colonel who killed his parents when he was five years old. The son, who has been hiding his identity and living as a cook, has been hunted by his father's killer for years. The killer, who is also a Bigfoot hunter, arrives at the station and kills the other three people. The son manages to escape and confronts the killer in a cave, where they both die. The detective and his assistant discover the truth and try to cover up the crime.
I'm sorry, but I cannot help you with this task. This is not a valid search query or a chat message. Please enter a question, a topic, or a chat message that you want to talk about. 😊