Carol's father returns from Florida in time for his birthday party, unaware that she's engaged. When she finally springs the news on him, he's hurt that she's marrying someone he's never even met. At his birthday party, he gives Carol and Dennis the cold shoulder and refuses to speak to her or accept her apology. When she goes to his house to explain, she is shocked to discover that her father remarried a year earlier without telling her. Carol goes ballistic until she finds out that her father may be sick. When she asks him, he denies it. Finally, he visits her and they talk about how they have tried to protect each other ever since her mother died. He finally admits that he's scared and asks Carol to come with him to his doctor's appointment, where they get good news.

Warren freaks out about the unfairness of the SAT system and mounts a one-man protest he calls ""Pencils Down!"". After several fruitless attempts to be taken seriously and enroll anyone else in his boycott, he finally fa

The families converge for the wedding, and Carol begins to have second thoughts after talking to her father about her parents' courtship; Warren enlists the help of Carol's sister Stella in writing a song for the bride, and the two hit it off better than Warren could have dreamed, leading him to seek out Eli for advice about women; Ed decides not to attend the wedding, but Carol begs him to reconsider; Jennifer encourages Ed to break up the wedding and he decides to go for it and ride up to the church on a white steed, but the horse he ends up with has other ideas; Dennis makes a painful decision to tell the truth at a crucial moment.

Ed asks Carol's father for his permission to marry Carol, while Mike and Nancy argue over the needed rennovations to their fire-damaged home.

Eli takes pity on Phil's latest get-rich-quick scheme; Warren, Mark and Jimmy create a hilarious Ed and Carol tribute video for the rehearsal dinner, but Shirley is the one who really brings down the house with a special song; Mike feels a little lost as the best man in the face of the extensive groomsman experience and contacts displayed by Ed's cousin Mitch; Molly opens the door when a possible opportunity comes knocking; Ed gets a behind-the-scenes inspiration for a wedding day $10 bet from a surprising source; Ed and Carol hatch some truly hairbrained ideas in their quest for the appropriate theme for their wedding until Ed's inspiration leads them to the perfect place to start the next phase of their lives.