During the rescue of a serious accident at sea, the legendary marine lifeguard Ben Randalllost all five of his colleagues who carried out the rescue together. Only he survived by chance. This tragedy left a deep mark on Randall's heart, and his strong sense of guilt made him almost abandon his rescue career. At the same time, due to serious psychological problems, his family life began to gradually deteriorate. Finally one day Helenchooses to divorce her because she can't bear her husband's neglect of the family. Randall’s bosssaw all this in his eyes. In order to help his beloved general, the boss sent Randall to the Coast Rescue’s elite training school as a coach, hoping to change A working environment to ease and restore his mood.
After coming to the training school, Randall, who was very responsible, quickly devoted himself to the work of coaching. Instead of adopting the school’s established curriculum, he designed a set of unique teaching methods based on his professional experience. And it quickly achieved obvious results, and was warmly welcomed by the students. At this moment, a newcomer from the village, Jack Fischer, joined Randall's student team with the title of swimming champion. This young man who wants to be the best lifeguard is proud and arrogant because of his excellent physical condition and swimming skills. However, this arrogance gradually disappeared during the training process through Randall's strict control and warm guidance. Randall taught Jack that as a lifeguard, just being talented is not enough. This is a job that needs to be done with heart and experience, and requires a strong dedication. On the eve of graduation, Jack followed Randall to Kodiak Island in Alaska to accept the challenge from the Bering Sea, one of the most dangerous areas in the North Pacific. In the process of Jack performing the rescue mission alone for the first time, he learned the most directly from Randall what heroic qualities and sacrifices are. As the lifeguard’s motto says, "As long as there is a glimmer of hope, let others survive
. "
