The south sea island Tonga is full of plantations and scoundrels. Ellen Bradford arrives expecting marriage to respectable and successful plantation owner only to find he is a drunk and gambler. Being the only white woman she is the desire of scoundrels and cut-throats.
The scenery of Samui in 1969 is the background of the musical love story between the couples from the rival families. Sombat Mathanee stars the playboy, Paduempun against Arunya Naamwong who plays the business girl, Napaporn. They came to Paradise Island to take care of their family coconut orchards. They bet who could work more successful. If the guy won, the girl must have married him. If he lost, he gave up his business to her. In the midst of controversy, he fell in love with her. Meanwhile, she began to be confused because she might be in love with him as well.
A poor boy befriends a girl from a rich family who disapprove their relationship.