For Eagle Brothers

When Hearts Grow Closer (1x20)

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After discovering Sang-nam's shady plan, Dong-seok joins Kwang-sook and Sang-nam for dinner. There, he teams up with Kwang-sook to foil Sang-nam's scheme and protect her. Later, while reviewing the data from his heart monitor, Dong-seok realizes that the reason behind his racing heart was Kwang-sook.