A company team building crashed into the sea, and ordinary employee Lin Su and the aloof female president Su Wanqing and others were stranded on a desert island. Lin Su awakened to the "desert island sign-in system" and relied on daily sign-ins, survival tasks and crisis rewards to step by step from "an intern who dragged down the team" to the builder of order on the island. After escaping from poverty and returning to the city, he used the system to complete a class jump in the whirlpool of capital, public opinion and emotion.