A Stone Age hunter named Dar teaches readers how to live like he does, trapping animals, making fire, building shelters, and even hunting the mighty mammoth.
Geronimo Stilton, a cavemouse, must track down the saber-toothed tigers' flag, which has gone missing during the Stone Age Games, before the tigers call off a truce.
Malu is permitted to raise a wolf pup which eventually is instrumental in bringing about significant changes to the lives and traditions of the young girl's Stone Age clan.