《一个头两个大》是一部爱情喜剧片，讲述了一个精神分裂症的患者遇到爱情的故事，但是自己两个精神居然全部都爱上了这个女主角，并且还争相吃醋。这部剧从头到尾充满了西方式的幽默色彩，并且在分裂的两个人格之间争风吃醋也十分搞笑。在十分欢快的氛围当中感情也在逐步的发展

男主角在被女朋友甩了之后居然换上了精神分裂症，有一天需要护送女主角出国，女主角的老板做了一些违法的事情，但是被举报，他认为是女主角举报的。所以便贿赂警察围追堵截女主角，男主角一路护送女主角逃离，但是他居然忘了带药，两个人格在剧情当中不断转换，并且都爱上了女主角，一段十分奇怪但又十分搞笑的爱情故事由此诞生，在摆脱警察的追击过程当中，爱情故事的发展也逐渐变得离奇。

"One head, two big" is a romantic comedy, which tells the story of a schizophrenic patient who meets love, but his two All the spirits fell in love with the heroine, and they were all jealous. The show is full of western humor from beginning to end, and the jealousy between the two split personalities is also very funny. In a very cheerful atmosphere, feelings are also gradually developing

After being dumped by his girlfriend, the male lead becomes schizophrenic, and one day he needs to escort the female lead abroad. The boss of the boss did some illegal things, but was reported, and he thought it was the heroine who reported it. So they bribed the police to chase and intercept the heroine. The hero escorted the heroine all the way to escape, but he forgot to bring the medicine. The two personalities kept changing in the plot, and both fell in love with the heroine. A very strange but very funny love Thus the story was born. In the process of getting rid of the pursuit of the police, the development of the love story gradually became bizarre.