The Cure

A parasite virus outbreaks in all of South Korea causing humans to form into dead walkers and feast on human flesh.
Busan is where all of the zombies are since the outbreak began there and a massive border separates it from the rest of South Korea. All infected people are thrown to Busan or killed by tranquilization.
Lee Mi Na, a clueless love struck teenager, was bitten but has found drug treatments but not a cure for her disease. She's limited on time before she turns and is living a dangerous lifestyle in Myeongdong.
Now she must find resources to cure herself and others, so she doesn't have to worry about hiding in the real world anymore and to even find her high school dream boy.