Margie writes a fake letter saying there is uranium on some property Freddie has inherited so Vern will give him a job. Vern finds out what she did and turns the tables by making Margie think their is uranium behind their apartment building.
To help her father Vern with a client Margie agrees to date his son who she thinks is a boy. Margie dresses as an eleven year old but the son Wesley is an adult so Margie also pretends to be her own older sister.
Margie's friend, Ginny has plans and can't meet up with an old friend of the family, an opera singer. She asks Margie to fill-in. Margie agrees and schemes to have a party in his honor so she can help her father impress a reluctant client.