When the apocalypse descends, Su Cheng proactively reaches out to zombies in order to survive, but unexpectedly discovers that her neighbor Gu Lin is actually a zombie king with consciousness. Although Gu Lin's appearance is terrifying, he is deeply devoted to Su Cheng, not only gathering supplies for her but also protecting her with his life amidst crises. Facing the rescue team's encirclement and the virus threat, the two cross species boundaries, enacting a breathtaking apocalyptic romance through life-and-death tests.