Londoner Ronnie embarks on a journey to India when his mother, Suleka, goes missing and mysteriously ends up in a Kolkata hospital. Before Ronnie can unravel the mystery of what brought his mother back to her homeland, Suleka dies in an apparent cult killing. Further deaths point to a series of past murders that stopped 28 years ago when Suleka left India with her infant son. Until now.　　As the darkness within Ronnie grows and the murders reach their peak, all roads lead to the feared witch of Kolkata's insane asylum.宋军、许槐、张靖瑶、谢姗姗分两排站在办公室门内，那些武警你看看我我看看你，他们能有什么意见，这事原本就稀里糊涂，没有接到进一步的命令前，他们不敢轻举妄动，而公安部的文职工作人员被吓傻了，这时候也不知道……