100 Days My Prince
백일의 낭군님
“A crown prince loses his memory and lives as a commoner's husband”
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.
Doh Kyung-soo
as Crown Prince Lee Yool / Won-deuk · LEAD
Doh Kyung-soo
Crown Prince Lee Yool / Won-deuk
Nam Ji-hyun
as Hong-sim / Yoon Yi-seo · LEAD
Nam Ji-hyun
Hong-sim / Yoon Yi-seo
Cho Seong-ha
as Kim Cha-eon · SUPPORTING
Cho Seong-ha
Kim Cha-eon
Cho Han-cheul
as King · SUPPORTING
Cho Han-cheul
King
Oh Yeon-ah
as Queen Park · SUPPORTING
Oh Yeon-ah
Queen Park
Ji Min-hyuk
as Prince Seo-won · SUPPORTING
Ji Min-hyuk
Prince Seo-won
Kim Seon-ho
as Jung Je-yoon · SUPPORTING
Kim Seon-ho
Jung Je-yoon
Jung Hae-kyun
as Hong-sim's Stepfather · SUPPORTING
Jung Hae-kyun
Hong-sim's Stepfather
Streaming
Where to watch
Availability varies by region · Data by JustWatch via TMDB
Quick verdict
Should you watch?
A charming, warm amnesia sageuk rom-com.
✓Fans of fish-out-of-water sageuk romance and Do Kyung-soo (D.O.)
✗You want palace politics over a light village rom-com
Story
What is it really about
A rigid crown prince vanishes after an assassination attempt and, with no memory, ends up as the husband of the village's oldest unwed woman for 100 days. A charming sageuk rom-com.
Did you know
Trivia & facts
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