After being stung by a giant insect, Cooper learns that these bugs are attacking the whole city. He joins forces with the survivors, in order to find a way to counter-attack.

After a night of wild partying and missing their train, the group of students is invited to board another which happens to be heading their way. Once on board, members of the team begin to go missing, and their would-be saviors claim to have no idea what could have happened to them... When they discover the truth, it is too late to escape and they must fight for their lives against their captors to put an end to their ride to hell.