Mufasa: The Lion King might be named after the iconic character, but Mufasa isn’t the only one whose backstory the movie explores. Instead, the movie works as sort of a tale of the past told by Rafiki to Kiara,

As the army of Kiros continued to hunt Mufasa and Taka, Taka decided to betray Mufasa by siding with the white tigers. This betrayal becomes evident when they arrive at Milele, and the white tigers confront them, with Taka standing against Mufasa.