L.U.C.A.: The Beginning
Ji-O has a special power and a secret, but he doesn't know who he really is. He is chased by mysterious figures, while he tries to find answers to numerous questions that surround him. Goo-Reum is a detective. When she decides on a course of action, she won't change no matter what. Her parents disappeared when she was only a young child. Goo-Reum chases after the truth behind her parents' disappearance. She meets Ji-O and her life changes.
Where to watch L.U.C.A.: The Beginning in United States
The Roku Channel
Tubi TVClick a service to open L.U.C.A.: The Beginning there. Availability last verified on June 20, 2026.
Where is L.U.C.A.: The Beginning streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | The Roku Channel, Tubi TV | — |
| Canada | Tubi TV | — |
| Japan | Amazon Prime Video, Amazon Prime Video with Ads | — |
About L.U.C.A.: The Beginning
L.U.C.A.: The Beginning is a 2021 Korean-language mystery, sci-fi & fantasy and action & adventure series. The cast is led by Kim Rae-won, Lee Da-hee, Kim Seung-o. It spans 1 season and 12 episodes and has concluded. In United States, it is currently streaming on The Roku Channel, Tubi TV.
L.U.C.A.: The Beginning was produced by H house, Studio Dragon, and TAKEONE STUDIO and made in South Korea. It was first aired on February 1, 2021.
- Director
- Kim Hong-sun
- Writers
- Chun Sung-il
- First aired
- February 1, 2021
- Last aired
- March 9, 2021
- Original language
- Korean
- Status
- Ended
- Seasons
- 1 (12 episodes)
- Network
- tvN
- Country
- South Korea
- Production
- H house, Studio Dragon, TAKEONE STUDIO
L.U.C.A.: The Beginning cast & crew
L.U.C.A.: The Beginning was written by Chun Sung-il.
The cast features Kim Rae-won as Ji-O, Lee Da-hee as Ha Neul Ae Gu-Reum, Kim Seung-o as Yi-Son, Kim Sang-ho as Choi Jin-Hwan, Jin Kyung as Hwang Jung-A, and Park Hyuk-kwon as Kim Cheol-Soo.
Is L.U.C.A.: The Beginning worth watching?
With 1 season and 12 episodes, it's a quick, bingeable run.
If you enjoy mystery, sci-fi & fantasy, and action & adventure, L.U.C.A.: The Beginning is worth a place on your watchlist.
How and where to watch L.U.C.A.: The Beginning
In United States, you can stream L.U.C.A.: The Beginning on The Roku Channel and Tubi TV. Click any service above to open it directly.
Streaming rights change country by country and month by month, so the options above reflect United States today — switch your country at the top of the where-to-watch section to see availability elsewhere.
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Cast of L.U.C.A.: The Beginning
Kim Rae-won
Ji-O
Lee Da-hee
Ha Neul Ae Gu-Reum
Kim Seung-o
Yi-Son
Kim Sang-ho
Choi Jin-Hwan
Jin Kyung
Hwang Jung-A
Park Hyuk-kwon
Kim Cheol-Soo
Ahn Nae-sang
Ryu Joong-Kwon
Jeong Da-eun
Yoo-Na
Han Kyu-won
Kim Jin-Soo
Kim Kang-bin
Kim Tae-Oh
Go Jin-Soo
[Detective]
Moon Jung-dae
[Detective]
L.U.C.A.: The Beginning — FAQs
▸Where can I watch L.U.C.A.: The Beginning in United States?
L.U.C.A.: The Beginning is streaming on The Roku Channel, Tubi TV in United States.
▸Is L.U.C.A.: The Beginning on The Roku Channel?
Yes — L.U.C.A.: The Beginning is currently available on The Roku Channel in United States.
▸What language is L.U.C.A.: The Beginning in?
L.U.C.A.: The Beginning is originally in Korean. Subtitle and dub options vary by streaming service.
▸How many seasons of L.U.C.A.: The Beginning are there?
L.U.C.A.: The Beginning has 1 season with 12 episodes in total.
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