As the Roberts family heads to Costa Rica to investigate a mermaid legend, Barbie takes on a summer job at a water park run by a devious boss.As the Roberts family heads to Costa Rica to investigate a mermaid legend, Barbie takes on a summer job at a water park run by a devious boss.As the Roberts family heads to Costa Rica to investigate a mermaid legend, Barbie takes on a summer job at a water park run by a devious boss.
