Jonathan and Jennifer try to prove the innocence of friends implicated in a noted divorce lawyer's murder.
As Vinnie allows himself to be seduced by Susan, he is also made the fall guy for Mel's latest blackmail scheme.
France's most famous police officer (Paul Verdier), travelling incognito in Hawaii, asks Magnum to help find a missing heir.
Local P.I. of the Year Magnum copes with the murder of a French inspector during a private investigators convention.
MacGyver is imprisoned in an effort to help a woman's wrongly convicted brother escape, but not all is what it appears.