The unexpected adventures of children on a school cruise to Portugal and North Africa. In Tangier, Steve, whose hobby is detecting, suspects that a parcel carried by another boy is contraband. Steve and his pals get into trouble trying to get hold of the parcel, but, in the process they uncover and foil the plans of a passenger to smuggle a stolen painting back to England.
as Steve
as Ian
as Vicky
as Doug
as Jim
as "Hello"
as Ahmed Ben Ali
as Mr. Danvers
as Mr. Gordon
as Miss Fisby
as Mr. Parker
as Pierre
as The Captain
as An Officer
