Plot: A female serpent watches helplessly as her mate is shot and killed by a man and five friends. She watches as they attempt in vain to search for her mate's body. After they leave, she looks into the still eyes of her mate, and sees his killers, six men, and swears to avenge his death by killing them one by one. She kills one of the six men the very next day, and yet another the next day. Then ... ...detailed plot of Nagin