You and Caine are scientists who research monsters from the real world and the supernatural. You dedicate yourselves to researching monsters and looking for an antidote to their poison.

Even though it's just the two of you, one by one the antidotes are found except for the antidote 'Zverx', one of the poisons is dangerous for humans and the worst impact is turning humans into the same monsters.

One day you are supervising your juniors to research Zverx poison, but they accidentally throw it. You try to push them, instead you exposed to poison that spills onto your eye.