Faactory narrates the story of a young man's obsession with a girl he wants by hook or by crook and will go to any lengths to win her. The film begins with a bizarre chase by a man dressed in a hoodie who follows Natasha around like a shadow and kidnaps her. The plot progresses through flashbacks of Natasha and Yash's past encounters until Natasha realises that Yash is the perpetrator of the kidnapping. Natasha only respects Yash because he was her mentor, but Yash had a crush on her. However, he never got a chance to express his feelings for her. With the passage of time, Yash's obsession with Natasha grows and he is willing to shed some blood and kill a few people in order to win her love. Yash's attempts to express his love for Natasha and Natasha desires to escape from his captivity.