The initial training of the Thirteen is going well-for the most part. But the leadership of the team is a hotly contested issue between two young heroes who both believe they are the obvious choice. Meanwhile, blossoming romances are tinged by misunderstandings, and other interpersonal conflicts abound. The mysterious Father Tonal guides and cautions this new group of chispas against wholeheartedly trusting the gods who gifted them their powers, but he too holds his own weighty secrets. Elsewhere, the group of villains inch ever closer to incorporating every member and their specialty weapon, which will make them unstoppable even by the Thirteen.