When a man stops by the Sanford residence seeking funds for a heart association, Lamont, finds out some interesting facts about heart attacks and decides to use the info to his advantage. The next time Fred has a supposed heart attack, Lamont doesn't take no for an answer and Fred ends up in the hospital for a checkup.

Lamont and Rollo are planning a double date and they have a plan to get Fred out of the house so they can have it all to themselves. However, Fred catches on and Lamont and Rollo must make do with the cramped quarters of Rollo's apartment, but they still have problems, the girls aren't happy with the entire arrangement, right down to the refreshments, that's when Fred steps in.

A woman, whom Fred once had a drunken fling with, stops by and becomes convinced that Grady is Fred. Grady is in shock and Lamont is no help trying to convince her otherwise. But Grady has an even bigger problem: The woman decides to hold him to the promise Fred made - marriage.

After promising Fred that he will keep certain rules alive while he's in St. Louis, Grady tries to keep the house free of Aunt Esther's Bible meetings as well as not allowing Lamont and Rollo to have a party with a couple of fine ladies. In response, Lamont changes all the locks in the house when Grady goes out to a movie, however, Aunt Esther and the members of her Bible meeting become the next interference.

Grady is bursting with news and breaks it to Fred and Lamont that he's engaged to a woman he met at J.C. Penny. However, Fred and Lamont are shocked to discover the "raging beauty" Grady raved about is not exactly a beauty queen. Fred soon finds Grady spending all his time with her and sets a plan into motion to break them up.

Lamont takes Fred down the doctor's office for a checkup and Fred is socked with a large doctor bill. Realizing Fred's financial position, the doctor gives Fred six months to pay his doctor bill. Lamont overhears the conversation and becomes convinced Fred only has six months to live. Thinking Fred is dying, he rallies friends and family to prepare a party and try to get Lena Horne to pay Fred another visit.