Kill is an action thriller about Amrit Rathore (Lakshya Lalwani), an NSG commando who gets to know that his girlfriend Tulika (Tanya Maniktala) is engaged against her will and is being taken by her father in a New Delhi-bound train. To derail Tulika's arranged marriage Amrit boards the same train when he encounters a gang of knife-wielding thieves who begin to terrorize innocent passengers on the train. Amrit takes them on a death-defying kill spree to save all passengers on board eliminating the gang members one by one.