高级督察何尚生（刘青云）被劫持人质的劫匪伊健（郑伊健）点名到案发现场进行谈判，眼见伊健在现场的嚣张，何尚生斗意昂扬欲将其拿下，但被其逃脱。挫败激起何尚生的战意和好奇心，开始同伊健玩起“取赎金的游戏”来。何尚生收到伊健寄来的数件艺术品的残骸，在国际刑警Ruby（黄卓玲）的帮助下发现被破坏艺术品均在同一间国际级保险公司承保，猜想伊健意图勒索该保险公司，遂前往展开调查，而此时伊健恰好致电该公司高层Teresa（林熙蕾）勒索一千万，尚生即刻接手案件，却发现事情远非想象的那么简单。

康熙驾崩，雍正(岳华 饰)继位，雍正不顾道义下令命年羹尧(罗烈 饰)诛杀雍正的同门师兄弟江南八侠，但吕四娘(徐枫 饰)等几人逃脱，并誓杀雍正。 年羹尧屡战告捷，为雍正打下半壁江山，也因此自恃功高盖主，在庆功宴上酒后失态，无视雍正，并出言不逊激怒雍正，雍正下旨将年降职，最后扁为城门护卫，并暗中派血滴子诛杀年，幸得吕四娘几人及时赶到，年才得以逃脱，年怪自己有眼无珠，自挖双眼后含恨自尽，并在死前告知吕四娘宫中秘道以便行刺。吕四娘几人入宫行刺不成，便改施美人计，安插眼线进宫，终于成功刺杀雍正。

Ran (Shimamura) comes to Japan, and makes an immediate impression by assassinating a Yakuza boss and his associates, while they dine in a restaurant. Escaping the scene, she hides out in the restaurant owned by Yoichi (Yamato), and thanks him for covering for her with her body. About three hours later – or maybe it just seems that way – she moves on with the rest of her mission, which is to extract revenge on those responsible for the death of her sister. To this end, she works at the same hostess club as her late sibling, and waits for opportunity to present itself. However, the remaining target (Hakruyu), aware of his peril, kidnaps Ran’s friend Chun Li, and uses her to lure Ran out of the darkness.

伯伦（陈柏霖 饰）、小贞（林辰唏 饰）和阿贤是大学时代的好友，彼此之间感情非常的要好，在珍贵的校园时光中几乎是形影不离。一晃眼，快乐的四年就要结束了，即将分道扬镳走上社会的三人分别写了一封给未来的自己的信，将他们对于未来的美好希冀书于纸上，藏在学校池塘底下。一晃眼又是四年过去，仍然在为了梦想拼搏的伯伦成为了一名摄影师，然而，一场失败的面试开始让他对自己的才能产生了怀疑，更产生了退缩的念头，此时，小贞和阿贤再度出现在了他的身边，他们找到了曾经埋下的信，在友情的支持之下，伯伦决定重振旗鼓，再度出发。