Homer forgets Valentine's Day and Marge is furious, she's had enough and storms out of the house, leaving Homer to take care of the children. She heads to Moe's for a drink and to blow of some steam. Maybe she had a bit too much but she finds herself at the Sleep Eazy Motel with Moe where they become intimate. Marge arrives home late that night and tells Homer a lie, that she was out with Ruth Powers and that she'll be going out with her again the next night. Homer follows her and finds out the truth. As Marge sleeps, Homer turns on the fireplace, filling the house with gas. The house explodes as he narrowly escapes. Now the whole police force is after him so he gets a disguise and then pays Moe a visit. He murders Moe with a wine opener.