As triplets, Shi, Hwa, and Mong have a unique connection. Unfortunately, they are all separated after their mother's passing and sent to live with different families. Shi relocates to New York, Mong to Japan, and Hwa to Korea. It takes nearly ten years before Shi is able to reunite with her sisters in Korea, which prompts them to investigate their father's whereabouts and the rationale behind their initial separation.