During a Swiss vacation, Bob and Jill Lawrence receive a cryptic request from a dying friend to retrieve a crucial item from his room. When they deny having it, their daughter Betty is kidnapped. The truth unfolds as they discover Louis was a spy and the item holds secrets about the assassination of a foreign dignitary. With their daughter's kidnappers tracked to London, Bob learns the assassination will occur at the Albert Hall concert. It's up to Jill to prevent the deadly plot.

Info about The Man Who Knew Too Much
Studio(s): Gaumont-British Picture Corporation
Originally Released: Brazil, Jan 01, 1935
Production Country: United Kingdom
The Man Who Knew Too Much: Where to Watch Online in Brazil?
At the present time, viewers have the opportunity to enjoy "The Man Who Knew Too Much" completely free of charge, though with occasional advertisements, on the following streaming platforms: Pluto TV, Plex.