During a routine mission on the border between North and South Korea, an American military helicopter crashes in North Korean territory after a severe storm. After their superior dies and they are cut off from all military support, Captain Edward Brockman (Chase Stokes) and medic Selby (Lana Condor) must lead their team through hostile territory. North Korean troops are hot on their heels as they try to get to safety across the world's most dangerous border. When a U.S. military helicopter crashes over the Korean border during a routine mission, a desperate fight for survival behind enemy lines begins. With no communication, no backing – and with North Korean troops breathing down their necks – new Captain Edward Brockman (Chase Stokes) and brave medic Selby (Lana Condor) must lead their team through the world's deadliest frontier area. With a top-class cast and breathless suspense, Mission Valiant One delivers an uncompromising survival thriller in which courage, cohesion and determination make the difference between life and death.