The Woman Who Swallowed the Sun

Episode 64 (1x64)

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After learning about Kyung Chae and Se Ri's relationship, Sul Hee becomes convinced on her path to revenge. She becomes closer to Se Ri with a devious plan. Meanwhile, an unexpected figure at the company recognizes Tae Kyung, and Yeon Seok plans to steal documents locked safely in Pan Sool's safe.