"Luckhnowi Ishq" is a Bollywood romantic drama film that follows the story of Prem, a medical student in Lucknow. While attending a friend's wedding, he falls in love with Sunaina at first sight. Determined to marry her, he overcomes obstacles, including a confrontation with Sunaina's protective brother Krishna. Prem's dedication leads to their marriage within a span of ten days.
However, after the wedding, Prem struggles with depression and finds it hard to focus on his studies. Professor KK, a mentor figure, scolds and consoles him, urging him to excel in his studies. Meanwhile, at Sunaina's home, her family is distressed by her sudden disappearance. Sunaina resolves to find Prem to bring him to justice and end her family's suffering.
Throughout the movie, Professor KK takes on a love guru role, adding a pleasant and guiding aspect to the story. The film explores themes of love, determination, family bonds, and personal growth as the characters navigate challenges to ultimately find happiness.