An unprecedented flood swept across the globe, turning cities into oceans. Adopted by the Jiang family, Jiang Li attempted to save his adoptive parents and siblings during the apocalypse, only to be abandoned by his family and endangered. Unexpectedly, he was reborn on the very day of the disaster and awakened the "Best Teammate System"—recruiting elite teammates to upgrade warships and unlock survival technology. Jiang Li successfully developed a serum to save everyone. In the end, he took in survivors, led the fleet westward to search for a new continent, and with the help of united human forces, spotted long-awaited land on the horizon, sailing toward a new home of hope.