Even stranger than the understanding in Highsmith's Strangers On A Train, is the mutual agreement reached here by two bored-silly Englishmen who instigate an ""antiwife campaign"" to relieve the ""dangerous tranquillity"" of their marital lives. The husbands--rustic furniture salesman Jeremy Wood and insurance broker Henry Mastin--intend merely to shock their respective ""wifelings"" with imaginary affairs. Murder hadn't been anticipated. A notion, no more, amplified with a few of those last laugh lines.