Guarantee

In 1993, Incheon, loan shark collectors Tou-seok (played by Sung Dong-il) and Zongbae (played by Kim Hee-won) wanted to get back the money they owed from Myung-ja (played by Kim Yoon-jin), but because of Myung-ja's embarrassment, they had to take her daughter Seung-ri (played by Park So-yi) ) as security. Because of being reported, Mingzi was deported as an illegal stayer. Before leaving, she asked Toushi to send Chengli to her uncle. Tou Shi, who originally thought that Cheng Li would be adopted by a wealthy family, found out that Cheng Li had been sent to a place where she should not be. He resolutely decided to take Cheng Li back... Years later, Cheng Li, who was working as a translator for Sino-Korean diplomatic affairs in China, received a call from Zong Pei and learned about the long-missing Tou Shi...