Thomas and Avery ditch class at an aerospace museum field-trip and spend their day playing in the museum basement. When they are ready to join up with their class they discover everyone has left. Confused about being left behind, they are greeted by the night museum janitor who shows them an upcoming exhibit that takes them beyond the sky.

A rising Hollywood actor decides to take personal revenge against a group of four persistent photographers to make them pay for almost causing a personal tragedy involving his wife and son.

In need of funds for research, Dr. Alan Grant accepts a large sum of money to accompany Paul and Amanda Kirby on an aerial tour of the infamous Isla Sorna. It isn't long before all hell breaks loose and the stranded wayfarers must fight for survival as a host of new -- and even more deadly -- dinosaurs try to make snacks of them.