After the former members of The Lion Guard settle into their homes in the Tree of Life, eventually their romance with some of the residents bring about: children. Kira, the younger brother of Kai, is the son of King Kion and Queen Rani. If he was back in the Pridelands, Kira would be the leader of The Lion Guard (or rather, The Night Pride, as its known in the Tree of Life). However, his older brother Kai is both the Crown Prince and the leader of The Night Pride. However, Kira doesn't mind, because he's still the fastest on the team, and he's willing to do anything to help his brother protect their home. But deep in the jungles, a tiger by the name of Muuaji is slowly stirring up the other denizens of the jungles, namely the tigers and the wild dogs - preparing for her to take back her realm from the lions who stole from her ancestors so long ago...