Black Mamba

"These people are like shadows, they vanish once the darkness kicks in"The plot revolves around a psychotic serial killer who sets out on a rampage to kill the family of a person who is an important cog of the society. The police department puts their most efficient officer who has a revenge motive against the serial killer to solve the case. Now the situation boils down to who makes the better move.In this cold battle filled with madness and rage, who will be the one to survive?