The film revolves around Rajni, a shape-shifting cobra who marries a civilian to avenge the death of her spouse at the hands of an evil saint.The film revolves around Rajni, a shape-shifting cobra who marries a civilian to avenge the death of her spouse at the hands of an evil saint.The film revolves around Rajni, a shape-shifting cobra who marries a civilian to avenge the death of her spouse at the hands of an evil saint.