Based on the story “Tatiana's Day” by E. Voevodin. 　　An excursion boat departs from the pier along the Griboyedov Canal. The tour is led by a young woman. Some military man, who, according to him, listened to the lecture six times, tells her that all this is boring and none of her business. He calls her to leave with him. They started talking. He is a captain of the border troops...