On a mysterious island, two scientists, Dr Yut and Dr Ed, are close to creating a perfect world they call Utopia. To increase the happiness index, they kidnap six Thai celebrities.

After his victory, Rusameekae is the first to be sent home. March, Jack, Phuak, Peak and Ticha discover an enigmatic message from an anonymous source encased in seaweed jelly, which claims to be able to help them escape from the island.

As Phuak is rejected by the others after being caught trying to escape alone, his escape attempt also becomes a source of concern for Dr Ed. Another mysterious message appears and offers a glimmer of hope.

March learns a disturbing truth about the past winners. He warns Phuak and Peak to avoid winning or risk the same fate. However, they suspect this claim to be March's ploy to get ahead, and they choose to ignore his warning.

After a change of heart, Dr. Yut plans to help the celebrities escape. In exchange, March, Phuak and Jack must help in his romantic pursuit of Ticha. Jack receives another mysterious letter, challenging him to fetch the next clue from a dark cave.

The celebrities are shocked to discover the secret connection between Dr. Ed and Dr. Yut, which might finally help them escape the island.