The film is based on a true story of heroism during the Syrian war, which took place in 2015. The event was covered by news outlets around the world.
Lieutenant colonel Oleg Soshnikov and captain Konstantin Muravyov are deployed to Khmeimim air base in Syria. During a combat flight, their Su-24 is shot down by a Turkish fighter jet. Both pilots eject after the aircraft is hit, but only one of them returns home alive.