故事围绕着孤儿阿欢（葛民辉饰）投靠状师陈梦吉（周星驰饰）并拜其为师展开。阿欢惹上官司，而陈梦吉则挺身而出为徒弟打官司。在这过程中，师徒之间发生了许多有趣而感人的故事。

陈梦吉是一位著名的状师，他的才华和魅力吸引了女子水莲花（邱淑贞饰）的注意。然而，他的老婆吕忍（莫文蔚饰）却在国外学习时归来，让局面变得尴尬。师徒两人同时喜欢上了水莲花，而她也对陈梦吉的才华心生好感。

不幸的是，当何欢发现师父陈梦吉的计谋后，两人反目成仇，何欢离开陈梦吉独自前往香港发展。陈梦吉意外获得去香港的机会，却得知何欢因为谋杀被囚禁。于是，陈梦吉决定为徒弟打官司，力图为他洗脱罪名。

在法庭上，陈梦吉的态度嚣张古怪，最终被判收监两天。他向在国外学习法律的妻子求助，然而妻子却揭露自己学习的是时装设计，让他陷入更加尴尬的境地。

《算死草》不仅以搞笑的手法为观众带来欢乐，更深入展现了师徒之间的情感纽带。师徒之间的争斗、理解和守护，以及对于正义的追求，都让观众在笑声中感受到影片的温情。周星驰、莫文蔚、葛民辉等演员们的出色表演也为影片增色不少。

The story revolves around the orphan A Huan (played by Ge Minhui) who joins the lawyer Chen Mengji (played by Zhou Xingchi) and worships him as his teacher. . A Huan got involved in a lawsuit, while Chen Mengji stepped forward to fight the lawsuit for his apprentice. In the process, many interesting and touching stories happened between the master and the apprentice.

Chen Mengji is a famous lawyer whose talent and charm attract The attention of the woman Shui Lianhua (played by Yau Shuzhen). However, his wife Lu Ren (Mok Wenwei) returned from studying abroad, making the situation awkward. Both master and apprentice fell in love with Shui Lianhua at the same time, and she also had a good impression of Chen Mengji's talent.

Unfortunately, when He Huan discovered Master Chen Mengji's scheme, the two Turning against each other, He Huan left Chen Mengji and went to Hong Kong alone to develop. Chen Mengji accidentally got the opportunity to go to Hong Kong, but learned that He Huan was imprisoned for murder. Therefore, Chen Mengji decided to file a lawsuit for his apprentice, trying to clear him of the crime.

In court, Chen Mengji’s attitude was arrogant and weird, and he was sentenced to two days in prison . He seeks help from his wife who is studying law abroad, but she reveals that he is studying fashion design, which puts him in an even more embarrassing situation.

"Dead Grass" not only brings joy to the audience with funny techniques, It further reveals the emotional bond between master and apprentice. The struggle, understanding and protection between master and apprentice, as well as the pursuit of justice, all make the audience feel the warmth of the film with laughter. The excellent performances of Stephen Chow, Karen Mok, Ge Minhui and other actors also added a lot to the film.