Rosa Ortega's family has settled in Bildarra, Carlos, the father, trains horses on his farm for exhibitions in other cities. There is only one small problem, Rosa's mother is homesick for her native Spain. To make her happy and feel at home, the guys from Secret Valley hold a party for her.

The Secret Valley boys are astonished when "Spider" asserts to have changed his ways and decided stop being wicked, asking to join them. However, the boys repel him straightaway.