Suraj Pe Mangal Bhari is a satire comedy-drama set in the mid-90s where Suraj Singh Dhillon (Diljit Dosanjh) who runs his family’s dairy milk business along with his father finds it hard to get an alliance for himself. Suraj seeks a homely girl who’ll take care of him and his family but somehow whenever an alliance is set to materialize it is defeated by a wedding detective named Madhu Mangal Rane (Manoj Bajpayee). To avenge his defeat Suraj decides to pay him back in the same coin as he plans to vow and marry Rane’s sister (Fatima Sana Shaikh). All hell breaks loose when Rane gets to know about his sister’s affair. What happens next forms the remaining part of the story.