Hum Tum Aur Ghost movie is the world of Armaan and Gehna, life is truly beautiful, yet it's like walking on a tightrope. For Armaan, the fashion photographer, debonair, charmer to the core and loved by all around him life only gets better when he dates Gehna, a High profile fashion magazine editor.
Life is picture perfect - a doting girlfriend, a job where his expertise with the camera makes him the most wanted photographer in the London fashionista!Armaan has learnt that his chronic insomnia is however not a function of any sleeping disorder. The truth is that he hears voices; voices that torture him; voices that are disturbing him. More importantly voices that nobody else can hear! Life is less that picture perfect right now!While his friends sympathize with his problems, his girlfriend Gehna is irritated with his weird behavior.
Add to that her father constantly berates him for his fondness for the bottle. No one seems to understand his predicament. What puzzles everyone is the fact that he talks to himself… or rather, he talks to people, who no one can see, simply because they don't live.Soon, Armaan becomes aware of his special ability to connect with the souls that haven't crossed over.
Equipped with a will to fulfill the wishes of these spirits who hound him, Armaan sets out on a mission to help out three souls - a child, Ali, an old man, Mr. Kapoor and a young woman, Carol.In this ensuring journey that follows Armaan discovers the lives of his three special companions and ends up frustrating Gehna. Yet, Armaan is on a journey where he discovers a lot about his own self, his own life for the first time.