South America, 1960. A lonely and grumpy Holocaust survivor convinces himself that his new neighbor is none other than Adolf Hitler. Not being taken seriously, he starts an independent investigation to prove his claim, but when the evidence still appears to be inconclusive, Polsky is forced to engage in a relationship with the enemy in order to obtain irrefutable proof.
London, 1953. Mr. Williams, a veteran civil servant, is an important cog within the city's bureaucracy as it struggles to rebuild in the aftermath of World War II. Buried under paperwork at the office and lonely at home, his life has long felt empty and meaningless. Then a devastating medical diagnosis forces him to take stock, and to try and grasp some fulfilment before it passes permanently beyond reach.
Young musician Zach Sobiech discovers his cancer has spread, leaving him just a few months to live. With limited time, he follows his dream and makes an album, unaware that it will soon be a viral music phenomenon.