Sid Roy (Farhan Akhtar) is a struggling musician who composes jingles for brands and is deeply in love with his gorgeous wife Trisha (Vidya Balan). While Sid and Trisha are living the life of a perfect married couple in love, their life changes when Trisha has a baby.

With the coming of their baby, Trisha assumes her motherly role and unintentionally neglects Sid, which doesn't go down well with him. However Sid being a nice husband wants to revive the spice and heat in their relationship for which he tries various ways and methods.

However, no matter what he does, Trisha is always busy, occupied and short tempered with him for his ways are creating hindrance for her work and caring the baby.

Sid tries to get help from his sister-in-law's husband Ranvir (Ram Kapoor) who offers him advice which he claims would surely work, but in turn brings in something new for Sid. Now things start getting worse from bad between Sid and Trisha.