片名《Tubelight》的意思来自影片中的一段台词： “信心就像是一盏日光灯， 点亮它需要花一些时间。 但一旦当它点亮， 它会照亮周围的一切。”

Rascal. Joker. Dreamer. Genius... You've never met a college student quite like "Rancho." From the moment he arrives at India's most prestigious university, Rancho's outlandish schemes turn the campus upside down—along with the lives of his two newfound best friends. Together, they make life miserable for "Virus," the school’s uptight and heartless dean. But when Rancho catches the eye of the dean's daughter, Virus sets his sights on flunking out the "3 idiots" once and for all.

A teenager reflects on his life after being accused of cheating on the Indian version of "Who Wants to be a Millionaire?".