It's a story about two of the most famous russian personages. They become friends, and then go along on the path of glory in parallel.

On a small island is a lighthouse. The lighthouse keeper, the old boatswain Yemelyan Leleka, lives here with his wife and daughter. The boat that delivers supplies is the only guest from the big world. Over time, the girl feels romantic feelings for the boat captain - Igor.

Sergey's girlfriend desperately wants him to quit dangerous police job. But Sergey doesn't want to abandon his new case which proves to be quite difficult.