[2][3] It stars Shin Ha-kyun, Jang Na-ra and Lee Joon.

[4] Choi Go-bong (meaning "highest peak" or "highest salary") is a 70-year-old man who runs a large hotel conglomerate, and he's known nothing but greed and selfishness all his life.

When his body suddenly transforms back into his 30s, he becomes gleeful at the chance to relive his youth.

He renames himself Choi Shin-hyung (meaning "newest model"), and meets Eun Ha-soo, a part-timer who's just landed her first regular job.

At the same time, he develops a relationship with his estranged son and troublesome heir, Choi Dae-han.