The Thirty Nine Steps (1978)

In the gripping turmoil of 1914, Richard Hannay (Robert Powell), a seasoned mining engineer on a fleeting visit to Britain before his journey back to South Africa, finds himself plunged into a vortex of espionage and murder. His tranquil existence is shattered when his neighbor, the enigmatic Colonel Scudder (Sir John Mills), infiltrates his residence one fateful night, spinning a tale of Prussian sleeper agents plotting to ignite World War I by assassinating a foreign dignitary. The plot thickens when Scudder meets a premature demise, leaving Hannay framed for the murder and targeted by these clandestine forces. Propelled by desperation and the quest for justice, Hannay escapes to Scotland's rugged landscapes, weaving an intricate plan to expose the agents and clear his name. Alongside him is the tenacious Alex Mackenzie (Karen Dotrice), a unlikely ally in his dangerous mission. The relentless Chief Superintendent Lomas (Eric Porter) doggedly pursues Hannay, believing him to be Scudder's killer. Simultaneously, the ruthless agents, masterminded by the elusive Appleton (David Warner), are on his trail. Appleton, cloaked in the safety of his high-ranking position in the British Government, orchestrates a deadly game of cat and mouse. As the tension escalates, Hannay must outwit his pursuers and unmask the true culprits to prevent the impending war. The Thirty Nine Steps is a high-stakes race against time, where every second could alter the course of history.

The Thirty Nine Steps is a mystery movie featuring Robert Powell.

It is possible to rent The Thirty Nine Steps on Amazon Video.