After a failed experiment, CheongAh Arts High School becomes the ground zero of a peculiar, terrifying and crazy zombie outbreak.
Students attack each other and grotesquely feasted on flesh and blood.
Trapped and with no way out, the Hera Kids find themselves in a situation where they will need teamwork, skill and courage to survive and escape the zombie infested school.
All while trying to think of a plan, the now seniors (Seokkyung, Seokhoon, Rona, Eunbyeol, Jenny and Minhyuk) meet a bunch of juniors who also were on the run to survive.
The Hera Kids must learn to trust and form teamwork with the juniors who they had hardly knew.
Tensions run high, different social statuses lead to clashes and different opinions would cause violent arguments.
Would they all be able to work together and survive?
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'I'm Lee Suhyeok and you are Joo Seokhoon sunbae.'
Taking the younger male's hand, Joo Seokhoon slightly glares and scans the sweaty and blood covered juniors who stood in front of them.
'Suhyeok ssi...? It's good that you know me ... I presume you have heard from other students what type of a person I am
Now that you're with us, I presume you'll all be cooperating in whatever plan we may have ... That way it'll lessen the headache and problems plus we'll all get what we want. To get out of this shitty zombie infested school alive.'