Carter Harrison, a pragmatic American executive working in London, leads a life defined by organization and efficiency. Everything changes when he encounters Toni Vincente, an impetuous Italian artist with a fiery temperament. An intense attraction pulls them together, leading to a whirlwind marriage. However, their vastly different personalities quickly clash, causing constant bickering and misunderstandings between the passionate Toni and the stoic Carter. Seven years after separating, they meet again when Carter realizes he must remain married to Toni to advance his career. With a significant promotion at stake, he hatches a plan to engineer a fake reconciliation to impress his conservative boss.

As Carter attempts to win Toni back—at least in the eyes of others—a series of comedic mishaps and humorous schemes ensue, revealing the deep-seated affection they still have for each other. They engage in a battle of wits, juggling romantic sentiments with manipulative strategies. As Carter bumbles through attempts to convince people around him of their rekindled romance, Toni's unpredictable nature further complicates matters. Layers of misunderstandings lead to hilariously chaotic scenarios. Meanwhile, the couple finds themselves questioning their true feelings, torn between their volatile past and the possibility of a new future. Their journey explores themes of love, commitment, and the blending of two contrasting views of life.