Returning home from an ordinary day at the office, Virgílio finds a rather disturbing message on his answering machine: Clara informs that she is leaving him. Virgílio is used to women leaving him, for him it is even more a certainty than gravity, but he has no recollection of this so-called Clara. He panics, wonders if he's seriously ill or amnesiac, runs to his shrink, thinks...。十二年前,大澳一对青年男女风与妹私奔失败,妹只身迁往香港,从此二人一水隔天涯。十二年后妹为找寻昔日宁静的乡土,由香港迁回大澳居住,更与旧恋人风重拾旧欢。但不同的生活痕迹,使他们的感情受到考验。对从大陆逃港的青年坤﹝刘青云饰﹞来说,香港祇是其踏脚石。为了前往巴拉圭,他冒着被警方追缉和被黑社会追杀的危险,潜逃香港,并匿藏大澳。究竟他能否如愿以偿?风与妹感情又能否携手终老。