During a total solar eclipse, a 25-year-old 21st-century woman, Go Ha-jin, is transported back in time to the . She wakes up in the year 941, in the body of Hae Soo and there, she encounters the many royal princes of the ruling Wang family. She initially falls in love with the gentle and warm 8th Prince Wang Wook, and later Wang So, the fearsome 4th Prince who hides his face behind a mask and is given the derogatory label "wolf dog." Meanwhile, rivalry and politics ensue among the princes, in a fight for the throne, as Hae Soo finds herself unwittingly caught between it all.

Lee Joon Gi as 4th prince Wang So

Lee Ji Eun (IU) as Go Ha Jin/Hae Soo

Kang Ha Neul as 8th prince Wang Wook

Hong Jong Hyun as 3rd prince Wang Yo

Rate- 10/10. This drama is one of my favourite historical drama ever. The story line is amazing. This drama will make you forget to sleep xD. You won't think about stopping once you watch this drama because every episode makes you want more. The cast did an amazing job in their acting. I cry a lot while watching this drama. Please prepare a tissue if you decide to watch this. You'll need it for every episode. If you're not a fan of historical drama, try watch this. I still can't get over the SoSoo couple >