In the future world, humanity is facing an unprecedented survival crisis, with devastating disasters turning most areas into ruins, scarce resources, and difficult survival. A mobile survival ark built to survive, providing survivors with a relatively safe living environment. As time goes by, the ark continues to upgrade and improve to adapt to the increasingly deteriorating environment and emerging threats. On this moving ark, survivors unite and face unknown challenges together, striving to find hope for survival and striving to rebuild a better world.