In the movie, Dora is sent to Los Angeles to attend high school and live with her cousin Diego and his family. She struggles to adapt to the normality of teenage life, but her sense of adventure remains intact. When her parents disappear on a mission to find the lost Inca civilization of Parapata, Dora sets out on a dangerous journey to rescue them.
Along the way, Dora and her friends face various obstacles including traps, deadly animals, and mercenaries. However, Dora's knowledge of the jungle and her positive attitude help her friends overcome the challenges they face.
As they get closer to finding the lost city of gold, they discover that the true enemy behind the disappearance of Dora's parents is her own nemesis, Alejandro Gutierrez. Alejandro wants to gather riches and fame by discovering the lost city of gold, and he will stop at nothing to get there before Dora and her friends.
In the end, Dora and her friends are able to outsmart Alejandro and save Dora's parents. They also uncover the hidden treasure of the lost city, restoring her family's good name and reputation in the world of explorers.