Jin Seong-woon, an actor hated by everyone, suddenly found himself transformed into Ryu Chae-yoon, the beloved youngest son of a conglomerate family.

After tragically dying in a traffic accident, the Reincarnation Management Committee made some incomprehensible remarks about a 'Soul Adjustment Project' for Jin Seong-woon's soul.

They threatened that if he didn't fulfill Ryu Chae-yoon's wish, he would return to the moment of his death.

In the process of inevitably completing the quest to grant Ryu Chae-yoon's wish, Seong-woon becomes entangled with Baek Sang-hyun (Gong),

Ryu Chae-yoon's wish was also related to Baek Sang-hyun…

What is the truth behind the relationship between Ryu Chae-yoon, Jin Seong-woon, and Baek Sang-hyun?