When happy-go-lucky Tanya Arora, crushing on her childhood sweetheart Rohan, makes a 'death wish' against her love rival Mehek on a new dare app called 'Knock Knock', it sets off a web of blackmail her, her friends and family.

Nishiganda a 'Witch' and has an insatiable desire for immortality and the power to remain young and beautiful eternally. On every red moon night she sets out to hunt down men to marry them.

A man hides from the world by committing a crime, but nature is always a witness to a crime.