The Original Gang

Sly's childhood was very tragic. At a young age  his parents were killed by a rival group. In sly's orphanage, he met two lifelong friends, Bentley and murray. As they grew, there thieving reputation grew with them. They stole priceless objects from museums and such frequently. In sly one, they took vengeance upon the group that killed his parents, the Fiendish Five. There leader, Clockwerk survived and was reassembled in Sly 2, but Sly and the gang took clockwerk out along with the Klaww gang, who were working together to reassemble Clockwerk. But now Sly discovers the existence of the Cooper Vault, where sly is supposed to collect his inheritence. But now the vault is heavily guarded by the evil Doctor M. To break into the Vault, Sly will need a band of high-class thieves talented in many different fields. This could get difficult, but Sly will go to great limits to learn more about his ancestors.