Tum Bin Jaaoon Kahaan is a Hindi television serial that aired on Zee TV and starred Vikas Bhalla and Jividha Sharma in the main leads.
They go to Mumbai to visit relatives and Muskaan ends up staying there to go to Medical School.
A depressed Aryan convinces Monty to make him talk to Muskaan's spirit.
Though he doesn't find a newborn there, that very night after he leaves a couple visits the homeowners looking for a place where the woman can give birth.
When a toddler Khushi finds out about Aryan's fiance Shweta, she kills her in a car accident.
Aryan's childhood friend Durga comes to Mumbai and helps him move on.
Noticing these mishaps, Sumitra takes advice from Guruma who advises her to ask Durga to keep herself away from Aryan for 40 days.
Meanwhile, noticing Khushi's odd behaviour, her grandfather's friend Parikshit, takes her to Guruma and asks for help.
As he is about to inform her grandfather, she makes him fall off a roof leading him to be completely paralyzed.
Khushi goes to Aryan's house for a party, and encounters Akash who is Devika's (Guruji's granddaughter) fiancé.
It is revealed that Akash, in fact, killed Muskaan because she left him on the day of their wedding.
She joins an architectural firm where she hears about an upcoming project - the Kali Ma temple Khushi visited with Aryan.
Khushi is sick of the games her mind keeps playing on her and one day, she goes back to the temple and asks God to reveal her purpose on earth.
At a park Khushi is bitten by a snake after which she is consumed by a negative force which turns her into a completely evil and heartless person.
Durga is sentenced to life imprisonment and the entire family is left in shock.
During the ceremony where they are remarrying, Khushi meets Aryan and tells him that she is pregnant with his child.
Devastated, she vows to bring up Aryan’s child with pride and dignity when he is born.
Shraddha’s doctor, Ritvik, tries to win over Durga’s heart and confesses his love to her.
During an architectural project Dhruv discovers a mummy at the construction site, which turns out to be Timir!
It is revealed that Aryan survived the car accident and was abducted by Guruma who kept him with her in a den for 7 years.
On the day of Karva Chauth it is revealed that the man Durga was living with is not the actual Aryan.
Just before Timir finally dies, Khushi and Durga realize that they had been under the wing of each other’s children.
As Aryan meets Khushi one last time, Maahir senses that Durga’s life is in danger.
A mentally ill Guruma attempts to put Durga in danger by causing an accident.
Aryan tries to save Durga on his motorbike, while Khushi sits behind as a pillion rider.
Khushi dies in Aryan's arms as she whispers Tum Bin Jaoon Kahaan (Where do I go without you) under her breath and dies with the ending credits showing flashbacks of Muskaan reincarnating as Khushi.