What episode are you now in this mind blowing korean movie, blood. You need to watch it. It is about a surgeon whose name is doctor parc, he is a vampire but he only turns to a vampire when he sees blood. He has a friend who knows about his disease and his friend use to give him some drugs to use if he want to go for a surgery because of his inability to control himself when he sees blood, so this particular drug helps him to control himself if he is conducting a surgery on a patient. He has never sucked human being blood but has just killed his deer to suck its blood once and that was when he was still young. In the hospital where he works, they are series of vampire who are doctors that kill patient and suck their blood but dr parc is the only doctor that does'nt do that. He wants to reveal their secret in that hospital that is why he still works there.......... you just need to watch the whole episode of this touching, emotional, romantic and lovely movie BLOOD.