Magazine publisher Van Stanhope is a hard-working, dynamic executive very happily married to his beautiful wife Linda. Although their relationship is is built on unconditional trust, friends caution her about the dangers of allowing Whitey, her husband's extremely sexy secretary, to continue to have access to him. Even Van's mother warns Linda that Van's father philandered during their marriage, and Van, like all men, will eventually succumb to opportunity and temptation. Although Whitey has a faithful boyfriend, she secretly harbors unrequited feelings for her boss. When they take business trip to Havana, circumstantial evidence convinces Linda that the rumors she's heard may have a basis in fact.

Lora May Hollingsway, who grew up next to the wrong side of the tracks, married her boss who thinks she is just a gold digger. Rita Phipps makes as much money writing radio scripts at night as her school teacher husband does. Deborah Bishop looked great in a Navy uniform in WWII but fears she'll never be dressed just right for the Country Club set. These three wives are boarding a boat filled with children going on a picnic when a messenger on a bicycle hands them a letter addressed to all three from Addie who has just left town with one of their husbands. They won't know which one until that night.

When Kirk Bennett is convicted of a singer's murder, his wife tries to prove him innocent...aided by the victim's ex-husband.