Twenty-two years after the events of Jurassic Park, Isla Nublar now features a fully functioning dinosaur theme park, Jurassic World, as originally envisioned by John Hammond. This new park is owned by the Masrani Corporation. Owen (Chris Pratt), a member of Jurassic World's on-site staff, conducts behavioral research on the Velociraptors. After many years, Jurassic World's attendance rates begin to decline and a new attraction, created to re-spark visitor interest, gravely backfires.

Computer scientist Hannon Fuller has discovered something extremely important. He's about to tell the discovery to his colleague, Douglas Hall, but knowing someone is after him, the old man leaves a letter in his computer generated parallel world that's just like the 30's with seemingly real people with real emotions.

On a top-secret mission, J, a charismatic New York City cop, teams up with K, a seasoned government agent who monitors aliens on Earth, to stop intergalactic alien terrorist Edgar from inciting an interstellar, humanity-destroying war.