The action takes place in one of the major port cities of the North. Young welder Mark Talalin and foreman Ilya Besedin cannot find the true reasons for their disagreements and conflicts.
Sea elements are fraught with many secrets. No crew is safe from emergencies that may occur at sea when they enter the open sea. The film tells a story that happened with the crew of an old tugboat "Dolphin". The ship fell into a terrible storm and, unable to overcome weather conditions, stood on...
