Although Jack Roper's legal problems are behind him, the firm has seen a drop in legal briefs so everyone is reminded to be on their best behavior. Jack takes on the case of Jimmy McGregor, a violent criminal who has been charged with possession of heroin. When he learns that McGregor is forcing his wife to provide him with an alibi, Jack takes control of the situation but with surprising results. Annie Quick and Laura Scammel find themselves each defending one half of a married couple when the husband wants to make a £40,000 donation to a charity as instructed by an angel and his wife wants to stop him. Charlie and Annie continue to dance around their affair and Charlie tries desperately to get his wife not to attend a chambers dinner.