In an elegant mansion in New York, George and Marion Kirby live with the luxury and joy that their extravagant life brings. However, their existence changes drastically when a tragic accident turns them into ghosts. Unsure of how to adjust to their new ethereal reality, the couple decides to make their afterlife an adventure, attempting to communicate with the living.
After wandering the city for a while, they are drawn to a wealthy but bored man named Cosmo Topper, an executive who seems to take no pleasure in his monotonous and oppressive life. The Kirbys decide that Topper could be the key to reviving their former spirit and begin to interfere in his life in comedic and mischievous ways. From throwing spectacular parties in his home to teaching him how to enjoy life with a bit of wildness, the ghosts set out to give new meaning to his existence.
As Topper becomes immersed in the world of spectral antics, he faces the dilemma of keeping his daily life intact or allowing himself to be swept away by the unrestrained energy of his new friends. With a blend of romance, comedy, and supernatural elements, the story explores themes of freedom, friendship, and the true meaning of living life to the fullest. In the end, Topper must decide whether to abandon his safe life or dare to pursue happiness, even in the company of ghosts.