Bhaijaan, a rugged yet lovable figure, emerges as a self-defense trainer who uses his brute strength to intimidate any threats to his loved ones, particularly his three brothers, Moh, Ishq, and Luv. Yet, all this transforms when he encounters the graceful and enigmatic Bhagya Lakshmi, and his life upends as he struggles to contain his violent impulses and learns to channel his protective instincts in support of his new love, who is threatened by ghosts from her past.