• Scarlet Heart: Ryeo is an upcoming South Korean drama.

Scarlet Heart: Ryeo is an upcoming South Korean drama. (Photo : Twitter/Scarlet Heart: Ryeo)

SBS has moved up the premiere of Lee Joon Gi and IU's historical drama "Scarlet Heart: Ryeo" to August 29, the network confirmed on May 5, Thursday.

Rather than launching the 20-episodes' historical drama in September as initially planned, "Scarlet Heart: Ryeo" will now bow on SBS' Monday-Tuesday 10:00 PM (KST) timeslot in simulcast with China's Youku, Soompi reported. There was no official reason given by SBS for the earlier premiere date.

Like Us on Facebook

The upcoming drama is based on the Chinese web novel and drama, "Bu Bu Jing Xin" by Tong Hua and HBS' 2011's TV drama "Scarlet Heart," respectively. It is a completely pre-produced drama and takes after Hae-Soo, played by IU, a woman from the 21st century who gets time-twisted back to the Goryeo Dynasty (918 CE) and becomes involved with the family of King Taejo (Jo Min Ki), Drama Beans has learned.

Love, politics, rivalry and friendships ensue with Hae-Soo sudden arrival, as some of the princes are vying for the throne and her love. She will be the love interest of the future King Gwangjong of Goryeo named Wang So (4th Prince), played by Lee Joon Gi, and Wang Wook (8th Prince), portrayed by Kang Ha Neul, a shrewd and ambitious adversary who dream of becoming a king.

The other princes include Kim San Ho as Crown Prince Wang Mu (1st Prince), Hong Jong Hyun as Wang Yo (3rd Prince), Yoon Sun-Woo as Wang Won (9th Prince), EXO's Byun Baekhyun as Wang Eun (10th Prince), Nam Joo Hyuk as Wang Wook (13th Prince) and Ji Soo as Wang Jung (14th Prince).

However, an unforeseeable crisis and conflict will arise when the last princess of Later Baekje named Woo-Hee (NSD'S Seohyun) comes into the picture. Due to her hidden agenda, she decided to hide her real identity and instead, poses herself as a gisaeng who specializes exclusively in singing and dancing. The up-and-rising star Kang Hanna have also been cast as Princess Hwangbo Yeon-Hwa, a "Goryeo alpha girl" who is King Taejo's eldest daughter.

The drama adaptation is written by Jo Yoon Young and helmed by filmmaker Kim Kyu Tae. It will air on Aug. 29, taking the place of "Doctors" on SBS.

Check out the video below: