Ekaterina lost her mother at an early age and was brought up by her harsh and commanding grandmother. Occasional meetings with her father, an old and honored captain, have developed her firm and uncompromising temper. The war has come. Ekaterina went to work at the hospital without hesitation. There she found her first love and first disappointment. After the war she graduated from the institute and became an engineer, the second chief of the river port. There she developed complicated relationship with the head of the shipping company. When he was removed from his position, Ekaterina realized that she has lost the loved man.