Arnold tries to win a trip to San Lorenzo in order to find his long lost parents, Miles and Stella Shortman. Arnold wins the trip after Helga makes a video of all of Arnold's good deeds. During the trip, Arnold tries to find Eduardo, a friend of Miles and Stella. But Arnold's friendship with his classmates are put to the test when he and his friends end up getting captured by Lasombra and his men. Arnold becomes heartbroken over losing his friends and not being able to find his parents. Helga and Gerald decide to help Arnold find his parents by using the journal that may provide clues on locating the secret village. At the same time Arnold, Helga, and Gerald have to prevent Lasombra and his men from finding the gold corazon.—dawsonpersi