Episode 4

S1 E4: Colonel Bestuzhev has an assignment to support the Soviet offensive by forming an air regiment equipped with the newest Yak-3 fighter aircrafts. He gathers his old companions-in-arms, top graduates of air force academies, to form one powerful regiment of fighter pilots. They have a challenging task ahead of them - to uncover intricate German defense plans, code name "Pandora's box."