Secret Of The Deep Sea (S01E04)

Returning to her hometown, the warmth of Anna's first dive still seems to hang in the air. As she and Deok-hyun spend more time together in the ocean, an unexpected ease begins to blossom between them. But just as their days find a gentle rhythm, old, troubling rumors about Deok-hyun start to surface again, quietly unsettling the peace they had begun to rebuild.