Su-ji and U-ri

The Locked Room (1x70)

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Na-young starts a new life at Hyun-sung’s parents’ house, where she discovers a locked room on the second floor. Sun-young spends meaningful time alone with Su-ji, listening to Su-ji's experiences of loneliness. Meanwhile, Jang-soo's and Jin-tae's families have gathered, and there's a sense that something awkward may occur soon.