Shirley the responsible leader follows Silly Sam the always zany, fearless squirrel, on an adventure after finding a treasure map. They discover a lost city of animals. These animals tell their stories of how they escaped a military genetics' lab and their fight of survival against their arch nemesis Cirus the hawk. After a terrible event Silly Sam is called upon Aleric, the leader of the lost squirrels to defeat the Hawks once and for all.