Near a coastal village of Thailand, a local fisherman rescues a stranger, who does not speak a word, offers him his friendship and names him Thongchai. When the fisherman suddenly disappears at sea, Thongchai slowly begins to take over his friend's life—his house, his job and his marriage.

Christian Bodin and his mother Maria Bodin are set on an adventure for the Land of Smiles. They meet many zany characters and face several obstacles along their journey in Thailand.