A mysterious virus, nicknamed Medusa, is spreading around Japan, turning its victims into stone. Given the impossibility of finding an immediate cure, the government opts for cryopreserving a select group of patients until they come up with a solution. Kasumi, one of the chosen ones, has been asleep for years and her awakening, more than a bed of roses, is a bed of thorns, and happens in the midst of total chaos where monstrous creatures lie in wait all around.

In Hong Kong 1969, private investigation agency boss Man is investigating an extra marital case. With his two employees, the smart looking idiot Kit and the Hong Kong Columbia Radio Night School graduate Pufferfish, he follows the target Lascar Row. The trio stumbles into an antique shop and breaks many antiques in the store. The cheap Man force Kit and Pufferfish to take responsibility. Kit wisely makes Pufferfish take sole responsibility. The dumb Pufferfish helpless buys the pile of shattered antiques with his own money. In the pieces he finds a broken magic lamp...

A year after the Miles County massacre, Art the Clown is resurrected by a sinister entity. Art returns home, where he must hunt down and destroy teenage Sienna and her younger brother Jonathan on Halloween. As the body count rises, the siblings fight to stay alive while uncovering the true nature of Art's evil intent.