After a narrow escape, 12-week-old Kio must earn the respect of his older brothers if he's ever to survive. Just as he finally finds his place among them, disaster tears the family apart, forcing Summer to make an extraordinary sacrifice to protect Kio's future.

Alone and far from home, Kio and his brothers must survive in territories ruled by rival males. A thriving marsh and a pride of lionesses offer hope for a new beginning until the reigning kings return and attack. To claim a kingdom of his own, Kio must prove he has the courage to lead.