Entertainment magazine editor Sam Briggs will do anything to please his girlfriend Melanie's parents. However, when they break their life-changing news to her parents, Sam's antics hamper their plans.
Sam tries to win over Dick by charming Angela, but then ruins any progress he made when he has a mishap with Dick's birds.
Sam seeks help from a friend repairing Dicks portrait, but problems arise when his buddy falls in love with Dick's sister, Chloe.
Mel and Sam decide it's time to reveal their secret, with their first big big doctor's appointment coming up concerning the pregnancy.
Having invited too many of his co-workers to the wedding, Sam tells a lie to cut the list down a bit. But he later finds his lies have snowballed into a bigger problem.
While babysitting, Mel's niece accidentally swallows a wedding ring which grandma June had given to Sam for his wedding day.
Sam hopes he can get the Clayton's minister to perform their wedding ceremony, but as usual Sam's good intentions end with hims stuck in a predicament from Hell.
No good can come when Sam and Mel's politically incorrect father and brash mother stop by to meet the Clayton's.
Sam is left to deal with last minute arrangements on the day of his wedding, as Mel and her mother are busy bickering.
Mel tries to prove she doesn't need help from Angela when she considers renting the apartment above Sam and Mel, to be closer when the baby comes.
Sam offers to help Dick find a special gift for Angela after discovering he always buys her the same Christmas present each year. But his choice of a perfect present doesn't go over as well as he had hoped.
Sam feels a need to empty the picture left in his mind after accidentally walking in on Angela at a gynecologist office, which causes him to write down his personal and private thoughts...which wind up in the wrong hands.
Having seen a litter of puppies being born, Sam has doubts that he will make it through seeing his own child's birth.
Sam and Mel were caught in an intimate moment when their nephew took their picture, and now plans on showing it around his school.
While Mel goes into labor, Sam does his best to make it to the hospital in time but ends up at the wrong one.
Sam manages to lose his pants while helping in the preparation of Dick's birthday party.