"Chrono Trigger" follows a young boy named Crono, who goes to see the Millennial Fair. He meets a girl named Marle at the fair and she follows him. Crono's friend, named Lucca, tests a teleporter at the fair. The machine goes wrong, and sends them back in time. They soon meet new friends and discover more time periods to go to. However, they find out an evil monster named Lavos is destroying the world. It is up to Crono and his friends to stop it.