A man sets a trap for his friends. The man meets four friends in a factory building and lures them into taking drugs. A man and a woman get infected first; they vomit violently and lose consciousness. The other two are not affected by the infection. Can they finally escape?男子設下圈套，企圖瞞騙四位友人服用藥粉，以助他煉藥。他相約四人到工廠大廈會面，以毒品為餌，誘使他們吸食藥粉。吸食後，其中一女一男先後受到感染，嘔吐大作，且神智不清。當中二人卻不受藥粉影響，男子其後欲將他們活捉，他們最終能逃脫嗎？
