Simba's (Matthew Broderick) daughter Kiara (Neve Campbell) is naughty and active, and likes to run around. Pumbaa and Timon, who are entrusted by Simba to look after her, are really helpless. Elsewhere, Scar's remnant Gina intends to train his son Gofu to be Scar's successor, and plots a war of revenge to usurp the rule of the Pride Kingdom. Curious Kiara secretly ventures out of the forest and meets Gofu. They fall into the crocodile lake while playing. Brave Kiara saves Gofu, and the two become close friends. A few years later, the sinister Gina designs Gofu to mix into Simba's camp, gain Simba's trust, and then wait for an opportunity to launch a war of revenge. Gofu and Kiara fall in love with each other while getting along, so Gofu decides to give up revenge and tell the truth. Although Simba believes Gofu, he still has reservations. One day, Gao Fu and Simba walked into the wilderness by mistake. Gina suddenly appeared. After a fierce fight, Simba escaped with the help of Gao Fu. But the injured Simba misunderstood Gao Fu and drove him back to the wilderness. Kiara ran away from home sadly. The battle of glory is about to begin between Simba and Gina, but can this completely resolve the grievances of the fathers and the hatred of the children?