Hyun-sook (played by Kim Hee-ae) struggles to raise her two daughters Wanji (played by Ko Ji-sung) and Cheon-ji (played by Kim Hyang-ki) with the meager income she earns from working in a supermarket. Although the two girls are sisters, they have completely opposite personalities. character. Wan Zhi is withdrawn and rebellious, and has a very cold relationship with his family; Tian Zhi...