One day and one night - is it a lot or a little? What can be destroyed and what can be created?..In the entrance of the house where the author of detective novels Manya Polivanova lives, her old friend was killed, who the day before came in for a “glass of tea” and conversations about the eternal. The money and valuables remained with him, and he himself was neither a criminal authority, nor a great politician, nor a rich man! So why was he killed? Alex Shan-Girey, Polivanova’s lover and part-time genius of world literature, may not look like a “real hero.” He is absent-minded and loves to delve into himself. Nevertheless, he knows for sure: it’s up to him to sort out the next incident that his girlfriend got into. One day and one night is a lot! They will change the entire future life of the heroes, and they have only one chance to save themselves and their world - to establish the truth...