Driven by a hidden message, Eric makes the decision to return to his hometown. He lies to his grandparents and settles in Tierra Incógnita to solve the mystery of his parents' disappearance.

After a nightmare, Eric wonders what is real and what is not. His grandfather goes looking for him in Cape Qwert, but as soon as he finds him, he loses Uma. Uma runs away and goes to the amusement park where she relives what happened to her parents.

Cape Qwert faces a new threat. Eric and Uma stay with Carmen in the village. The villagers are wary after what happened to the lights of the park. Nobody knows where Guillermo is.

Intrigued by a special lamp, Eric and Pablo go to the amusement park to look for pages from Roberto Dalaras' diary. It won't be easy, because the park is guarded by order of Daniel.

Eric has to face more than the growing disapproval towards his family. The unexpected truth behind Pablo's secret baffles him. A discovery allows him to read his father's diary, which is written in code.

After discovering the true meaning of the symbols in his father's diary, the message sets Eric on the trail of the missing pieces of text. Due to a dirty trick by Daniel, Eric gets lost while the monster strikes again.