In the tenth year of the global oceanic catastrophe, Qi Haiyang is exiled to drift across the sea, only to unexpectedly discover that she can travel back and forth between the vast oceans of the post-apocalyptic world and modern coastal cities. While gathering seafood and fishing around the reef islands in the apocalypse, she also runs an honest business in the modern world, where she befriends two upright seafood merchants, Peng Maocheng and Liu Yanping. Little by little, she transforms her crude wooden raft into a spacious offshore platform. By exchanging resources between the two worlds, she makes a living through her own hard work, going from sleeping alone on a tiny raft to establishing a secure foothold. She also unexpectedly discovers a friendly oasis base nearby. This is a fictional fantasy story. Please do not imitate.