欧阳中（王合喜 饰）在某个暴雨天去市郊维修街灯时，意外发现了一个自己学生时代曾用过的旧式电话亭，他尝试拨出了一个号码，居然可以穿越时空，接通到二十年前就已去世的女友司徒心心（薛凯琪 饰）。
在之后的几次电话聊天中，欧阳回忆起在与心心恋爱时，常常因为心心家电话占线而误会心心与别人煲电话粥，冷落了自己。现在他才发现，原来那个曾经每晚与心心一直在电话里聊天的男人，竟然是二十年后的自己……
欧阳回想起与现在的妻子（汤宝如 饰）初次相识，就是在心心的葬礼上。然而却不知道，一个更大的秘密正在等待着他……

2010 film by Wong Chun-chun

Handover year 1997 sees much drama for Joy (Gigi Leung), the chief financial officer of a big company. She struggles to keep her family life together, as her husband is forced to relocate to Singapore due to his British affiliation and her son is stricken with disease. Joy's best friend and assistant (played by Fiona Sit) is a young girl trying to figure out her dodgy boyfriend. Still, she tries to help but Joy plunges into deeper despair due to her family problems. One day, the torment becomes unbearable and Joy breaks down. Things look bleak for the both of them until a friend makes good on an old promise and brings them all within sight of happiness again.