In the heart of Boston’s Southie neighborhood, The Shamrock Tap stood as a beloved, timeworn local bar, known for its green-painted walls and hearty Irish charm. On St. Patrick’s Day, the bar brimmed with revelers—a mix of loyal regulars and boisterous newcomers—all eager to celebrate. The story centers on a fateful encounter between Mikey Flannery, a lifelong patron renowned for his wild tales of past glory, and Colin O’Shea, an outsider from Worcester whose provocative jabs ignite a fierce rivalry. Fuelled by alcohol and wounded pride, Mikey’s resentment turns physical when a careless insult about his missed football career escalates into a brutal brawl. Amid the chaos of flying pints and shattering glass, the confrontation quickly spreads, drawing in a motley crew of bar-goers. In a moment of unexpected intervention, Big Tommy Donahue—Mikey’s imposing cousin—steps in, further intensifying the melee with his dominating presence. Just as the situation seems uncontrollable, the local police, led by the no-nonsense Officer Tierney, arrive and demand order. With humor and authority, Tierney forces the combatants to reconcile by extending a hand and sharing drinks. The night ends with grudging respect between enemies, epitomizing the unpredictable spirit of a Southie St. Patrick’s Day.