HATE STORY IV is the story of a girl who causes a rift between two brothers. Tasha (Urvashi Rautela) comes to London to become famous but is unable to find success. Luck favours her when she meets Rajveer (Karan Wahi), a photographer who is also a womaniser. He is floored by Tasha’s glamorous appeal and recommends her to his brother Aryan (Vivan Bhatena) and his girlfriend cum business partner Rishma (Ihana Dhillon), both of whom are looking for a fresh face for their upcoming cosmetic brand. Tasha is signed and she becomes famous. Both Aryan and Rajveer start lusting after Tasha and try to get close to her. Meanwhile their father Vikram Khurana (Gulshan Grover) is running for London Mayoral elections and he has cautioned the brothers not to do anything untoward which would jeopardize his chances of victory. However, things begin to go wrong as Tasha gets involved with both Rajveer and Aryan. A mysterious blackmailer also emerges who has photographic evidence of all the wrongdoings, including a murder. What happens next forms the rest of the film.