The indestructible content of this film.

Unbreaked is adapted from Laura Hillenbrand's best-selling novel. The hero of the film, Luis Zan Bei Lini, is a legend in American history. He won the 5000-meter race at the 1936 Olympic Games. During World War II, he joined the US Air Force and flew a bomber to fight against Japan, but unfortunately he crashed. He and two other survivors drifted on the life raft for 47 days, but in the end they became Japanese prisoners and suffered a lot.