Antaheen follows the lives of three couples in tumultous relationships, who lead different lives but are connected by the infinite struggles and pain each of them goes through.

Deba, a young man, decides to elope with the girl of his dreams, after rescuing her from her to-be-husband. However, they are constantly chased by a gang of hooligans.

An immigrant Indian mother fights the Norwegian foster care system and legal machinery to win back custody of her children.

A married couple has come to Kalimpong for a vacation. They book a bungalow which is rumoured to be haunted. During their stay, they experience some paranormal activities which lead to murder. Then investigating starts and the mystery surrounding the house is also solved.