Six teenagers from the Bronx set out to explore a cave in their neighbourhood and end up three centuries into the future. After saving the life of one member of a tribe, the Bronx teens are accepted. Within weeks, however, they find themselves in the middle of a fight for survival. Another tribe living in Manhattan is bent on wiping out the tribe in the Bronx. These teenagers have a unique advantage in this war - they know the land. For the six, this becomes a true adventure. However, all too soon their adventure becomes very real. Their dog dies, and now both friends and enemies are getting killed. This was no longer fun - this was war!