Randall (Kevin Costner Kevin Costner) is an excellent member of the U.S. Coast Guard. However, the old cat burns his beard, and once he not only failed completely on a rescue mission, but also risked the lives of five teammates. Randall never recovered. In order to help Randall regain his confidence, his boss sent him to the training base as an instructor. There, Randall meets the confident and arrogant swimming champion Fisher (Ashton Kutcher Ashton Kutcher). Fisher's confidence and vitality gave Randall the confidence to get back to work. Once, Fisher asked Randall how many people he had saved. Randall told him 22. Fisher was lost for a while, and then asked, "isn't it 200?" Randall replied firmly, "all I remember is how many people I lost!" Fisher was thoroughly impressed by Randall's courage and perseverance. The two teachers sympathize with each other in vain. After that, the two were engaged in a life-and-death rescue together.