Both dramas has doppelganger concept. The doppelganger is always asked to fill in someone important place and they do a really good job at it. also this different in aspect that there is more romance here then in switch.
Both dramas deal with the rich youth of Seoul. Family drama that is interconnected with other characters in the drama. Both female lead don't like the male lead at the beginning. Bet is part of both dramas.
It's a medical drama where the focus is not on the medicine, and has a lot of romance in it. The main characters know each other before they start working in the hospital, and there is a misunderstanding between them that made them hate each other.
the story starts different then this as this story begin when the eclipse of the sun takes place, a 21st century woman, Go Ha Jin, is transported back in time to the Goryeo Dynasty of Korea. She wakes up in the body of 16-year-old Hae Soo, a noble lady. In the beginning hea soo befriended some of the princes of the kingdom. She faces multiple hardship, and fall in love with one of the princes. However, a rivalry starts between of the princes because the fall for the same lady.
This is set in the kingdom of Silla, is which the forum hwarang which mean "flowering Knights" or "handsome and cute nobles" that would wield great influence in the future of the kingdom. In the drama both of the male leads fall in love with the same female lead, and conflict start between those male leads. Also there is another twist between the two male leads that both of them did not expect it.
if you love investigation dramas then you would like it. although this drama is few years old but you won't feel like that watching it.
Both dramas are amazing you must watch it to get a get laugh and sweetness of romance. They both have strong female lead characters and they are slightly different with story line.
Although one is Korean and the other is Chinese, both of are worth watching. Both drams deal with crime but with hints of romance and the lead characters have difficult pasts.
both of the dramas are similar as the are period drama. The story line is different but each has it unique features.