The Brief-Case Affair

Or the story of the man who went looking for adultery and came back with a lemon.

When a man suspects his wife, Marjorie, of having an affair, there are only two things he can do: assume her guilt and find another wife, or go to a private investigator.
Kevin did the latter.
But when the private investigator doesn't quite turn out to be what Kevin expects, he is forced to investigate Marjorie's affair alone, and uncovers a web of conspiracy that is so complicated that he hasn't the first idea where to start.
Until Marjorie takes over...