Demons and humans share a planet near Earth. The humans occupy the planet by day and the demons occupy it at night. They live in harmony until some of the demons scheme against the humans. The Guardians rid the planet of the troublesome demonic creatures to preserve the peace.

To develop a potent anti-cancer drug, a research team ventures to a secluded island in search of an ancient plant known as "Fire Prison Vine Lotus". On the island, they encounter attacks from prehistoric creatures and uncover Jurassic-era ruins. After numerous challenges and securing the plant's stamen, the team faces relentless pursuit by velociraptors, leading to their separation, with only three members surviving the ordeal.