Song Haibo, a fisherman from a small coastal fishing village, rescues Lin Wanqing from a muddy swamp after her boyfriend, Wang Hu, abandons her. To give his wife a better life, Song Haibo signs a life-or-death contract for Tianxiong Ocean Shipping's notorious deadly route, risking his life in exchange for a 500,000 yuan settlement payment. After setting sail, the ship encounters a disaster at sea, leaving the entire crew stranded on a deserted island. He is the only one on the island who truly understands the sea, and he leads the wealthy young lady and the crew in fishing, collecting water, and making fire until rescue arrives.