Se-ha who is physically handicapped and Dong-gu who is mentally handicapped are not their own brothers. But while living 20 years together, the two became indispensable to each other. One day, the mother of Dong-gu suddenly visits him and acts as his guardian.
Former teen idol Nam Hyeon-soo is now in his thirties and working as a radio DJ. One day a young woman named Jeong-nam shows up and claims to be his own daughter. She also has a son whom she claims to be Hyeon-soo's grandson. Their relation is proven via DNA tests by Hyeon-soo's brother. This leads to Hyeon-soo attempting to avoid a scandal concerning him having children "unknown" to the media.
Hye Ji, geçmişinde derin yaralar ve sırlar taşıyan sorunlu bir lise talebesidir. 12 yıllık aradan sonra Jeju adasında dalgıçlık yapan nenesi, Gye Choon ile yolları kesişir.
A debt collector who looks intimidating, but actually has a warm heart, ends up becoming the guardian of a child, who has been left behind as collateral by her illegal immigrant mother.