Sue, Cheryl, and Lexi are best friends. They do special things on their birthdays every year because they were all born on the same day. It's their 18th birthday now, and they're starting to lose their virginity.
明朝时期，有一个叫魏晋中（林剑锋饰）的无赖，他仰慕前太监刘进（麦家琪饰）的荣华富贵，与太监孙特别结识，希望能把他带进宫里。有一天，魏和孙在看一个怪诞下流的综艺节目时，孙看上了一个艺妓，从班长那里买了太奇（小宫由里饰演），用极度的快感和折磨自娱自乐。太奇得知此事后，恳求魏与他私奔。临走当晚，太奇对魏施展了极刑绝技。魏得到真传后，杀了太奇，砍下了太奇的首级和宫中的阴茎，交给太监孙赎罪
