Force to be together by him

Aira singhania, a college student. her life was always dark and dark, from childhood to teen, and now adulthood.
she was always misunderstood by her parents. In her parents eyes she was just a "thing" not their daughter. they always taunt her in everything. they have always wanted her to be the perfect-doll for them, to play with.
aira's only light of her life was her grandparents.
She was everything to them. and her grandparents were her whole world.

but she doesn't know something. the deepest secrets that her grandparents had hide from everyone including her.

the secret which leads them to be connected with the Agarwal's.

Aransh Agarwal, a ceo and a underground mafia.
he got everything he have wanted from his childhood to his adulthood. He was loved by everyone. He was the pride of their family. But when he was 10 years old, He lost something, that felt like everything to him. His grandparents. He lost his grandparents in a car accident.
And after that he became cold, distance. after that he don't used to believe in attachment and love because it only makes a person weak.
then his family left india and shifted to Germany.

But the question is, was his grandparents death was just an accident or something else?

and what was the deepest darkest secret that was hidden from everyone by Aira's grandparents?

will it makes Aira's and aransh relationship complicated or broken?.