On an island that is periodically washed away by the "tide of oblivion", all residents will lose most of their memories after the tide and live in the eternal "now" day after day. However, Lin Mo is the only exception. He carries all the forgotten past and becomes the loneliest sober person on the island. When a mysterious woman from the outside world, Xiao, drifted here due to a shipwreck, her arrival broke the fragile balance of the island. Lin Mo must make a choice before she is assimilated by the next tide: protect this forgotten utopia, or uncover the cruel truth behind the memory and awaken everyone from the false peace?
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