The second case ( Episodes 8 to 13 ) appears at first glance to be about industrial espionage .
Case emerges that case in fact involves blackmail of the British Government by an unexpected person who kidnaps Oscar and tries to recruit him .
The second case ( Episodes 8 to 13 ) appears at first glance to be about industrial espionage but it emerges that it in fact involves blackmail of the British Government by an unexpected person who kidnaps Oscar and tries to recruit him .