During a summer of friendship and adventure, one boy becomes a part of the gang, nine boys become a team and their leader becomes a legend by confronting the terrifying mystery beyond the right field wall.

A decade has passed in the small town where the original Sandlot gang banded together during the summer of ’62 to play baseball and battle the Beast. Now, back at the dugout, nine new kids descend on the diamond only to discover that a descendant of the Beast lives in Mr. Mertle’s backyard – a monster of mythical proportions known as 'The Great Fear'.