Senior Detective Miss. Ana Parker, The Wills Agency, Batch no.4, Crime department. She is back after four years, but just to face a mind cracking case of a falling mansion. Why? Why is she failing so much? After four years did she lose all her detective skills? or is it something that is stopping her from solving the case? In between all of these, 'The monster is back', her past, the most terrible moments of her life is killing her from inside. Fighting depression, moving forward, solving the case, Will the tigress roar back at her troubles?