'Tumko Meri Kasam' is an emotional rollercoaster filled with love, betrayal, courtroom thrills, and the undying power of a promise made to the one you can't live without.

Sonu Model, a renowned beautician from the old city, is forced to disguise himself as Laila, leading to a series of comedic, romantic, and action-packed events. Chaos ensues in this hilarious laugh riot.

Katha, a single parent, is in need of funds for her son's medical treatment. She comes across Viaan, who offers help but his conditions put her in an awkward situation.