Tonechka is a loving and beloved wife, daughter and mother. Lucky girl, in one word! And she is also a well-known screenwriter and can be near her husband-director always and everywhere-both at work and on vacation. And they live soul to soul, and understand each other without a word… Or does Tonechka just think that this is so? One day they go to a beautiful old city. Her husband Alexander has to meet with an old friend, whom Tonechka does not know. Who is this Kondrat Ermolaev? My husband says he's a cook, but it looks like a bandit. In any case, just in the presence of the capital's guests, he is detained on suspicion of murdering his wife. Alexander is clearly hiding something, an alarmed Tonechka is trying to figure out what is happening herself – and finds herself in the very center of a detective story, the plot of which is completely incomprehensible to her, the screenwriter. One thing is clear: Tonechka is in danger, and her children, and an ideal marriage with a beautiful man who may not be who he claimed to be …