A young swordsman is born, then in the year 1000 A.D., he goes to a millenial fair and meets a princess. The two of them go to see an invention that one of Crono's (Crono is the suggested name, but he can be named anything with five or less letters) friends made. The princess, Marle, is transported through time and Crono must rescue her. From here, they meet new characters, and one is even killed and brought back. In the end, they all become heroes. There are ten different endings possible.