港生（王祖賢 飾）從大陸偷渡至香港，一路顛簸還被蛇頭欺辱，搏斗過程中將蛇頭打傷才逃脫出來，但外面的世界同樣令她感到陌生惶恐。她起初預備投靠自己的姨媽，卻遭到姨媽拒絕且冷言諷刺港生，而姨父則垂涎其美色，港生只得離開姨媽家再次流落街頭。督查何定邦（周潤發 飾）和祥仁（呂方 飾）追捕白粉雄，白粉雄駕車沖出街道撞倒了路邊的港生。港生在醫院蘇醒以后害怕身份敗露被送回大陸，靈機一動謊稱自己腦部受傷得了失憶癥，還“認準”何定邦就是其丈夫偉雄。心性善良的定邦只得將港生接回家中暫住，二人關系日漸改變，但港生“偷渡客”的身份卻像兩人關系中的定時炸彈時時刻刻存在著……

五個狗主人帶著他們淘氣的狗狗向山中的傳奇老師尋求幫助——但需要接受訓練的并不是他們毛茸茸的朋友。

　　Two sisters living separate lives on different continents are reunited on a Mediterranean Island. The two barely have time to bond and revive family ties as Kate, the elder, meets a group of locals and agrees to an exciting ride on a hot air balloon. But disaster strikes and as the result of a freak accident, the balloon is carried far out to sea. Their cell phones out of range, and the balloon running out of gas, Kate and her friends are battling for their lives. While, back on land, the younger sister, Liz, has become an unwanted "material witness" to a crime. Matters then take a dramatic twist, one that will mark their lives forever.

　　未來巴黎，階層鴻溝割裂都市。超腦Alma執掌秩序，其創造者暴斃后，警探薩利亞聯手澤姆揭開顛覆割裂世界的驚天謎團。