Three pilots are best friends and good fighters. During the WWII they are taking an oath to refrain from love until the end of the War. But soon they meet three women-pilots. One by one they give up the oath, and all three fall in love.

Nikolay Kryuchkovas Major Vasily Vasilievich Bulochkin
Vasili Merkuryevas Senior Lieutenant Semyon Tucha
Vasili Neshchiplenkoas captain Sergey Kaysarov
Alla Parfanyakas Valentina Konstantinovna Petrova (aka Valya), journalist of the newspaper Pionerskaya Pravda and daughter of a major general
Lyudmila Glazovaas Senior Lieutenant Ekaterina Kutuzova
Tamara Alyoshinaas Senior Lieutenant Maria Svetlova
Yakov Gudkinas cook
Faina Ranevskayaas military doctor, professor of medicine
Konstantin Skorobogatovas Konstantin Vasilyevich Petrov, Major General of Aviation
Vladimir Taskinas german pilot