Jack's old friend from his Three's Company days, Larry Dallas, invites Jack to a swinging party he's throwing. When Vicky finds out about the party, she says that she doesn't mind, but really wishes he wouldn't go because his former girlfriend, ""Greedy"" Gretchen will also be there. ""Greedy"" Gretchen puts the moves on Jack just as Vicky arrives
Vicky invites her friend, Dorothy, over, to cheer her up because she recently broke up with her boyfriend. Vicky invites her to have dinner with Jack and her. Dorothy has new contacts which make her blink, but Jack misunderstands it and thinks she's blinking at him because she has the hots for him. The situation confuses Jack even more when he overhears Dorothy on the phone telling a friend that she has met a new man, who Jack thinks is him when it is actually another person altogether.
Vicky hides new golf clubs for her father in EZ's van so Jack won't ruin her surprise. Meanwhile, EZ's dog has become pregnant with puppies. Jack is under the impression that Vicki is expecting when he receives a phone call from a veterinarian about prenatal pills, thinking it's from Vicki's doctor.