Hello Bangkok(1988)

A social comedy play that shows what some young people do when traveling to some countries, where Saleh traveled with his owner - Bo Obaid to Bangkok, lying to his father Bousaleh on the pretext of searching for his son, but the son comes from London as soon as the father goes to the airport Bou Saleh and his grandson travel with the family of Sahib Saleh - Bou Obeid. Upon their arrival, the police in Bangkok arrest the grandson of Abu Saleh, why did the Bangkok police arrest the grandson of Bou Saleh? Is what Saleh said is true?