*after his sister passed away due to some monopolistic and greedy healthcare systems, Riki went on a revenge spree to end the lives of those workers who made him lose the ones he cared for.* 

*He becomes a masked well-wanted killer and is to be investigated by his own girlfriend who was the best officer in the police department* 

*the culprit of these murders is right in front of her and she isn't aware about it at all, when she finds out the reason he did all of it she gains sympathy for him*