Jurassic Park III is a 2001 American movie and the third Jurassic Park movie. It follows The Lost World: Jurassic Park. Paul Kirby, who says he is a rich business owner, convinces Dr. Alan Grant and his assistant, Billy Brennan, to take him and his wife to Isla Sorna as a vacation and serve as a guide. Actually, Kirby and his wife want to search for their son, who was stranded on Isla Sorna while on a parasailing trip. After crashing on the island, they are attacked by a Spinosaurus, who kills several members of their party. After escaping, the remaining people start hiking for the coast, fighting many dinosaurs, including the Spinosaurus, along the way.