Young Diego Castillo has just turned thirteen, but this birthday is more than a celebration - it's a rite of passage. His father takes him on a journey, teaching him important lessons in leadership and recounts cautionary tales he has heard about the undoing of three legendary men: Vaas Montenegro, a pirate, Pagan Min, a dictator, and Joseph Seed, a preacher. When he comprehends these lessons, will Diego be able to accept his destiny?