A hilarious underworld gangster known as Munna Bhai falls comically in love with a radio host by the name of Jahnvi, who runs an elders' home, which is taken over by an unscrupulous builder, who gets the residents kicked out ironically with the help of Munna's sidekick, Circuit, while Munna is busy romancing Jahnvi elsewhere.

In this remake of Kalyana Samayal Saadham (2013), a couple fall in love but then the groom discovers that he suffers from erectile dysfunction.