Homer and Flanders team up as bounty hunters; and Marge makes confections for an erotic bakery.

The Simpsons make their way to downtown Springfield to watch a St. Patrick’s Day parade. Chief Wiggum tells Homer that alcohol has been banned from the celebration. When Homer becomes distraught, Marge tries to cheer him with one of her delicious St. Patrick’s Day cupcakes. It turns out there are two competing St. Patrick’s Day parades: one for Protestants, and one for Catholics. A leprechaun from each parade approach one another wearily, behaving as if they’re ready to fight. Lisa tries to break the tension by engaging them in Irish song. Before long the leprechauns sob and hug each other. Suddenly, one sucker-punches the other, leading to an all-out riot. When some urchins attempt to walk off with Marge’s cupcakes, a man named Patrick Farrelly comes to the rescue. Patrick samples one of the confections, and loves the way it tastes. He tells Marge he owns a small bakery, and asks if she’d like to bake for him. Marge agrees. Homer ends up getting arrested during the riot. His bail is set at $25,000. Homer hires a bail bondsman named Lucky Jim, who agrees to pay Homer’s bail in exchange for a ten-percent fee on repayment. Homer is told that if he attempts to skip bail, he’ll be pursued by a bounty hunter named Wolf. Wolf tells Homer about his work, and before long Homer becomes a bounty hunter for Lucky Jim. Homer pursues Jailbird, who’s wanted for jumping bail. Jailbird pulls out a gun, and fires a shot at Homer’s head.

As luck would have it, Flanders is walking by with a pane of bullet-proof glass. Jailbird’s bullet hits the glass and ricochets, striking Jailbird in the arm. Flanders speaks with Jailbird, distracting him. Homer sneaks up behind Jailbird, and shoves a plastic bag over his head, knocking him unconscious. Homer then places Jailbird in handcuffs. Homer thinks he and Flanders make a great bounty-hunter team. He invites Flanders to partner with him as a bounty hunter. Flanders accepts, but insists that everything be done by the book. Patrick asks Marge to make some cakes in the shape of spheres, rods and cones. Before long a horrified Marge realizes that she’s working for an erotic bakery. Patrick convinces Marge that her baking skills provide a valuable public service. Marge decides not to quit, but she does keep her job a secret from the rest of the family. Homer and Flanders set about catching wanted criminals. Homer uses his taser for various purposes: to warm coffee, heat up a croissant, and remove excess earwax. He also accidentally zaps himself in the crotch area. When Homer returns home one day, he brings the kids a new chemistry set, which turns out to be remnants from a meth lab. Later Homer suggests to Marge that they order one of her cakes for Lisa’s birthday. Marge slaps him. Homer doesn’t understand why Marge is so upset. Homer and Flanders stake out Luigi’s restaurant, hoping to catch Fat Tony. During the stake out a bond forms between the pair. When Fat Tony exits Luigi’s restaurant, he hops aboard a subway train. Homer and Flanders pursue him in a wild chase (out of The French Connection). When Homer catches up to Fat Tony, he knocks him unconscious by placing a plastic bag over his head. Flanders protests, as Homer had promised to do everything by the book. Homer and Flanders end their partnership.

Marge admits to Homer that she’s working for an erotic baker. Homer doesn’t know how to move beyond the crisis, but Marge temporarily pacifies Homer by letting him eat a bunch of her cakes. Flanders tells Lucky Jim that he’s quitting the bounty-hunter business. Lucky Jim tells Flanders that Homer failed to show up in court for his St. Patrick’s Day arrest. When Lucky Jim threatens to hire some violent men to track down Homer, Flanders volunteers to do the job himself. Homer tells Flanders that he’ll never take him alive. What follows is a long chase sequence (similar to one from Casino Royale). They both end up standing on a construction girder. Flanders slips, and hangs on for life. Homer tries to save him, but they both end up falling into wet cement. Wiggum threatens to put Homer away for a long time. As Homer serves his time, Marge sends him a cake; on it is written: “To the Love of my Life.”