During a total eclipse of the sun, a 23-year-old century man , park chanyeol is transported back in time to Goryeo Dynasty. he wakes up in the year 941, and there, he encounters the many royal princes of the ruling family. he initially falls in love with the gentle , playful and warm 10th Prince baekhyun, and so baekhyun himself loves the fearsome 4th Prince who is also given the derogatory label "wolf dog".but after meeting chanyeol he had a quite big argument with him , he becomes found of chanyeol and falls head over heels in love with him .
but with all the Obstacles that their relationship face , will their deep love last or will this love have a tragic end ?