剧情:

在一個遭受致命傳染病威脅的時代，一個充滿奇幻色彩的小島上發生了一段為愛執著和犧牲的故事。著名的生物學家嚴國(陳坤)專注於研究，希望找到治愈這種疾病的方法。但是他自己卻被病魔所侵，生命垂危。他的未婚妻寶寶(江一燕)與神秘的生靈定下契約，自己化身為一隻蝴蝶換來嚴國的康復。嚴國神奇的恢復了健康卻發現愛人消失，而已變成蝴蝶的寶寶只能看著他一天天消沉卻無能為力。不久，嚴國得到了鄰居白蘭(桂綸鎂)和女記者楊霖(梁詠琪)的關心。嚴國和楊霖更萌發了愛意，讓寶寶心裡充滿了苦澀。在寶寶可以從蝴蝶變回人類的期限前的最後一年，小島爆發了疫情，情況非常嚴重。危急時刻，寶寶發現自己能夠找到嚴國研究的解藥的關鍵配方。於是這只脆弱的蝴蝶開始了危險的旅途，即使她的翅膀變得殘破也堅持飛翔不停歇。

Synopsis:

Story tells of a young woman, Bao Bao (Jiang Yi Yan), who sacrifices her human form to become a butterfly so she can save her biologist fiancé, Yan Guo (Aloys Chen). After he recovers from his illness, Yan is depressed by his fiance's disappearance. As the three-year deadline for Bao Bao's return to human form approaches, a plague spreads across Celestial Island. When the butterfly realizes it may be the solution, it begins a journey to seek the truth. Meanwhile, Yan's neighbor Bai Lan (Kwai Lun Mei) and a visiting journalist Yang Lin (Gigi Leung) have both fallen for him.