《大内密探》是由中国拍摄的古装动作喜剧片，由王道铁执导，徐宇轩、刘楚玄、张天骐、胡红红等著名演员领衔主演。该片于2021年9月15日在腾讯视频独家播出。大内密探作为一部古装动作喜剧片，题材新颖，既有古装的元素，又有喜剧的效果。在播出后便吸引了众多的观众，在情节上，大内密探的情节一环扣一环，逻辑清晰，同时又在情节上给了观众出乎意料的体验

大内密探主要讲述了坑蒙拐骗的小混混蓝宇成为了拯救自己的父亲，将自己乔装打扮为密探，潜入皇宫。在此过程中，意外卷入了吴王叛国的阴谋之中，而小混混蓝宇成相错就错，利用自己乔装的密探身份，周旋在各个势力之中。小混混蓝宇成凭借高超的智慧最终将叛国的阴谋化解，成为了大内真正的密探。

"The Secret Detective" is produced by China A costume action comedy filmed, directed by Wang Daotie, starring Xu Yuxuan, Liu Chuxuan, Zhang Tianqi, Hu Honghong and other famous actors. The film will be broadcast exclusively on Tencent Video on September 15, 2021. As an ancient costume action comedy, Ouchi Secret Detective has novel themes, both ancient costume elements and comedy effects. After it was broadcast, it attracted a large number of viewers. In terms of the plot, the plot of the Ouchi Secret Detective is linked one after another, with clear logic, and at the same time it gave the audience an unexpected experience in the plot

Ouchi Secret Agent mainly tells about the cheated gangster Lan Yu who became his father to save him, disguised himself as a secret agent, and sneaked into the royal palace. During this process, he was accidentally involved in King Wu's treasonous conspiracy, and the gangster Lan Yucheng made the wrong mistake, using his disguised identity as a secret agent to deal with various forces. The gangster Lan Yucheng finally resolved the treasonous conspiracy by virtue of his superb wisdom, and became a real secret agent of the Ouchi.