This film is a spin-off of The Lion King, telling the unknown growth process of the lion king Simba. Simba's father Mufasa was persecuted and died by a traitor. In order to escape, little Simba fled the animal kingdom. During the escape, Simba met a pair of funny people - Timon and Pumbaa. Timon and Pumbaa became good friends with Simba, and they began their comfortable life in the jungle. Simba grew up slowly in the jungle, and eventually grew into a majestic lion, and met his beautiful princess. Thanks to the pair of Timon and Pumbaa, ordinary life is also full of laughter.