主人公科林（罗曼·杜里斯 Romain Duris 饰）与厨师尼古拉和宠物小灰鼠为伴，他爱好时尚、美食还有威灵顿公爵的音乐，如同王子等待着公主，直到他与美丽纯洁的克洛伊（奥黛丽·塔图 Audrey Tautou 饰）相遇。他们相爱了，浪漫的婚礼上，他们接受所有人的祝福，然而在蜜月旅行的途中，克洛伊却染上了“睡莲病”—— 一支睡莲侵入了她的肺部。为了医治爱人，科林不惜倾尽所有……Set in a charmingly surreal Paris, wealthy bachelor Colin spends his time developing his pianocktail (a cocktail-making piano) and devouring otherworldly dishes prepared by his trusty chef Nicolas. When Colin learns that his best friend Chick, a fellow acolyte of the philosopher Jean-Sol Partre, has a new American girlfriend, our lonely hero attends a friend's party in hopes of falling in love himself. He soon meets Chloe and, before they know it, they're dancing to Duke Ellington and plunging headfirst into a romance. Their whirlwind courtship is tested when an unusual illness plagues Chloe; a flower begins to grow in her lungs. To save her, Colin discovers the only cure is to surround Chloe with a never-ending supply of fresh flowers.