Satynarndra Singh aka Sattu, a young man from a modest background arrives in Lucknow to start a new chapter in his life. Having recently cleared the Civil Services exams, he is posted to the local police force. It is during this time that he meets Aarti, a young woman who comes from a similar background and they both are agreeable to an arranged marriage. As their relationship blossoms through several twists and turns, they both realize they are falling in love. On the night of their marriage, an unexpected turn of events turns their world upside down. Set in the backdrop of India's civil services, Shaadi Mein Zaroor Aana explores the challenges that Satyendra and Aarti face as a middle-class couple in India.