Sharon (Michele Reis) is a serious-minded Eurasian taking a "sentimental journey" to the fictitious May Fly Island. Her friend Marianne (Kaori Momoi of The Yen Family) is a free-spirited Japanese coquette. When the government orders the island quarantined, they make the acquaintance of Mei-ling (Shu Qi), an elfin Taiwanese beauty who works for the proprietress of a local restaurant (Elaine Jin).