100 Days My Prince (2018)
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.
Actors: Ahn Suk-hwan, Cho Seong-ha, Doh Kyung-soo, Han So-hee, Heo Jung-eun, Heo Jung-min, Jeong Hae-gyoon, Ji Min Hyuk, Jo Han-chul, Jo Hyun-sik, Jung Ji-hoon, Kim Jae-young, Kim Ki-Doo, Kim Sun-ho, Lee Joon-Hyuk, Lee Min-ji, Nam Ji-hyeon, Oh Yeon-ah