
David Audley

Faith Audley

Nick Hannah

Hugh Roskill

The Iron Curtain is based on the actual 1945 case of Soviet cipher clerk Igor Gouzenko, (Dana Andrews), who, after careful training, was assigned to the U.S.S.R. Embassy in Ottawa, Canada in the midst of World War II. Eventually, Gouzenko defected with 109 pages of material implicating several high level Canadian officials, outlined the steps taken to secure information about the the details of the nuclear bomb via numerous sleeper cells established throughout North America. The scandal that resulted when details of this case were publicized by American columnist Drew Pearson in early 1946 involved Canada, Britain and the United States.

Yuzuru Hamura is a university student and a fan of mystery novels. Against his will, he was forced to join the school's mystery club. The club is led by Kyosuke Akechi. Meanwhile, Hiruko Kenzaki appears in front of them. She attends the same university and she is also a private detective. These 3 people attend a summer camp and stay at Shijinso pension in the mountains. On their first day there, they must barricade themselves in the pension. The next morning, they discover a murder has taken place in the pension.