Despite not being biologically related, Kim Sanha (Hwang In Youp), Yoon Juwon (Jung Chaeyeon), and Kang Haejun (Bae Hyeonseong) share a close bond with each other. The trio spent their adolescence raised by Juwon's father Jeongjae (Choi Won Young) and Sanha's father Daeuk (Choi Moo Sung), who did their best to give them a happy childhood as they healed from past trauma. Upon reaching adulthood, however, Sanha and Haejun sought out their biological families, leaving Juwon behind. Ten years later, the five members of their found family reunite, but things aren't the same as they used to be – Juwon holds some resentment after feeling abandoned by Sanha and Haejun, while the two boys are struggling with new romantic feelings for Juwon and their own familial issues. Can these chosen siblings work out their feelings with each other, and will romance form between them? This drama was adapted from the 2020 Chinese drama "Go Ahead."

"And so they married each other and lived happily ever after with their children!" It is a typical happy ending of all fairytales. But things change as time passes, and the standard happy families are disappearing. Living only as a mother or father of someone is no longer taken for granted. New forms of families are created, and all families are bound to waver. Should one live as a woman or a mother? Should one choose to live a father's life? There is no correct answer. Do as you please. Whatever you choose, we will applaud your beautiful life.

Hae Sung disappears after a mysterious accident. 12 years later, he wakes up on the roof of his school building. He is now 31 years old, but he still has the appearance and personality of himself at age 19 when he initially disappeared. He reunites with Jung Won, his childhood friend and first love. The two of them are now 12 years apart because Hae Sung was in another world. Hae Sung's siblings were all separated after his death, so he brings them together. He later finds out that he was unjustly accused of killing someone after he died. To solve the mystery of his death and clear himself of a false charge, he begins his own investigation. Accompany him on this dramatic journey to find out how he'll get to the end of the road.