Released: Friday 31st July 2015
9:00pm BST (20:00 GMT) < > « »  < > « »
Big Finish Release

Featuring: Karen Gledhill, Hugh Ross, Pamela Salem, Simon Williams

When an explosion disrupts work on a monorail, Gilmore, Allison, Rachel and Sir Toby investigate the enigmatic company behind the project. But with government interference on one side, and dangerous businessmen on the other, who can they possibly trust?
Synopsis Source: Doctor Who Guide