Accompany a team of paleonto logists as they work to solve an 82 million year-old mystery. 
Stunning photo-realistic computer-generated animation transports audiences back to the Late Cretaceous, when a great inland sea divided North America in two. 
The film follows a curious and adventurous dolichorhynchops (familiarly known as a "dolly") as she travels through the most dangerous oceans in history. 
Along the way, she encounters long-necked plesiosaurs, giant turtles, enormous fish, fierce sharks, and the most dangerous sea monsters of all, the mosasaur.

You will accompany modern and historical fossil hunters to remote locations as they excavate the remains of some of the most awe-inspiring creatures of all time,
unearthing discoveries which shed light on exactly what happened to the film's incredible cast of characters.