For the moment, no director, scriptwriter or actors are attached to the adaptation of this book by Canadian historian Robert Wright.
The film, like the book it's based on, will be centred on Ken Taylor, Canada's ambassador in Iran during the Iranian hostage crisis in 1979. During that event, Taylor helped six Americans who managed to get out of the American ambassy, which was stormed by Iranian students.
The last time Taylor's story was told was in a 1981 TV film called Escape from Iran: The Canadian Caper that was aired on CTV, a Canadian TV network. However, the latter isn't an adaptation of Wright's book.