Marge leaves dinner early to go rehearse with Ned, but Homer knows what that means, and it's killing him inside. We find out that Marge is having an affair. Homer drinks to ease the pain. When Marge comes home late at night, Homer wants to confront her about it, but decides against it. He instead confronts Ned the next day, but it doesn't go well. He then confronts Marge, and again, no dice. Marge continues her affair and Homer is devastated. The only thing left for him to do is give up on life.