Rani Mukerji returns as super cop Shivani Shivaji Roy in Yash Raj Films' Mardaani 2 and this time she is deputed in Kota where a rapist cum serial killer is on the loose. Shivani will be seen hunting for the rapist who is mocking the police force by challenging them and killing female students. The two-and-a-half minute trailer is chilling as Shivani begins another cat and mouse game with a deadly enemy. Mardaani 2 is slated for December 13 release and it is directed by Gopi Puthran, who wrote the script of the first film.