The romance, comedy, thrill, mystery are mixed in the right amount. The staff did a good job incorporating a vampire touch to the medical field. infected.(Lol, I'm losing my sanity over Hyun Woo's death) Hahaha. Parting words, kudos to the acting abilities of the minor characters like Jung hae-in, Kim kap-soo and Jin Kyung, Kwon Hyun - Sang and Son Soo hyun, Kim yu-seok and Jung Hyeon's Seong Loved this drama especially Ahn Jae Hyun.