When his plan to establish the love nest does not work out, Fred is dismayed, but Evelyn opens the door by inviting him to dinner the following night. She uses the dinner as a pretense to set to entrap Fred into marriage. Part of her plan involves her friend, Lou, to pose as her father. Not understanding that he is being entrapped, Fred realizes that he is really in love with Evelyn, and actually makes a real proposal of marriage. The night of his bachelor party, Howard is still distrustful of Evelyn's motives and gets Lou drunk, after which he reveals Evelyn's plot to entrap Fred. Fred is devastated, and agrees to a plan to embarrass Evelyn at the altar on the day of their wedding.