The 39 Steps (1935)

In the bustling heart of 1930s London, Richard Hannay, a Canadian tourist, finds himself ensnared in a web of intrigue and danger. His ordinary visit to a music hall show, headlined by the enigmatic 'Mr Memory', veers into the extraordinary when he crosses paths with the elusive Annabella Smith. She's a mysterious figure on the lam from a relentless pack of foreign agents, her fear palpable and infectious. With an impulsive blend of altruism and curiosity, Hannay offers sanctuary within the quiet confines of his rented flat. However, the night spirals into a whirlwind of terror as shadows stalk them, their footsteps echoing ominously in the narrow London streets. By morning, Annabella's life is brutally extinguished, leaving Hannay entangled in a murder most foul. With the specter of accusation looming over him, Hannay is thrust into a desperate flight for both justice and self-preservation. His mission: to dismantle the insidious spy ring that Annabella had fled from, thereby clearing his tainted name. The 39 Steps weaves a thrilling tale of an innocent man's relentless pursuit of truth amidst a city cloaked in deception and danger.

The 39 Steps is a mystery movie featuring Robert Donat.

The 39 Steps is currently streaming for free (ad-supported) on Cineverse, Pluto TV, Popflick, Shout! Factory TV, The Film Detective, Tubi TV and Xumo Play and it's also available on Criterion Channel, Max and Max Amazon Channel.

It is also possible to buy The 39 Steps on Amazon Video and Apple TV.