First air date: Sep 10, 2018
Episode duration: 01h 15m
Rating: (8) based on 155 votes
Status: Ended Seasons: 1
Episodes: 16
Starring: Doh Kyung-soo, Nam Ji-hyun, Cho Seong-ha, Jo Han-chul, Oh Yeon-ah
Created by: Lee Jong-jae, So Jae-hyun
Genre: Comedy,
Drama,
Mystery Trailer
Lee Yool falls off a cliff and nearly dies in an attempted assassination. He loses his memory, and wanders for 100 days under a new name and personality. During this period, he meets Hong Sim, head of the first detective agency in Joseon.