In the Fiji islands, the greedy and unscrupulous owner of the Valalola Resort Primal Park invites investors and guests for an opening party of his compound composed of hotel and zoo aiming to find partners for his discoveries. When a bunch of college smalltime thieves puts a virus in the security system to participate in a scavenger hunt, the greatest attractions of the zoo - sabretoothes from the prehistoric age developed from DNA found in fossils - escape, killing the hosts and guards for fun.

Two young men, one in need of medical attention, are cryogenically frozen in the early 1960s. The two are preoccupied with the fact that the police are pursuing them to realise what they are doing. The next thing they know is that they are in a strange new world (thirty years on).