The gang is dismayed when Peter reveals that due to lack of money, they will very soon have to leave the island. Robbo and Megan decide to make enough money to cover the rent owing, but their plans are thwarted when the ghostly Prince Alonzo, the champion diver, returns to challenge Tai to another diving contest. Desperate to stop Alonzo ruining their workday, the kids find Tai and the contest is on. As Natasha tries to expose Alonzo as a ghost, Tai gets in real trouble. All hope of staying on Paradise Island seems lost until Alonzo's heroics save the day.