share time: 2026-01-03 06:06:49
Lin Xiaoman, a diver at the aquarium, has a secret—every night, she sneaks into the mermaid tank after closing to drown her insomnia in the sea water. Until one day, a man named Cheng Ye appears, also diving under the moonlight. He claims to be searching for “the heartbeat of the sea,” but as they grow closer, Xiaoman discovers his “search” hides an obsession with his missing brother. Meanwhile, her childhood trauma of her father’s death in the deep sea is quietly soothed as they dive into the moonlit sea together. When a familiar ship whistle echoes from an old underwater tape, they realize this encounter by the moonlit sea was never a coincidence…
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