Behind the obscenes

In 2019, Tourette syndrome campaigner John Davidson travelled to Holyrood Palace to accept an MBE from Queen Elizabeth II in recognition of his efforts to raise awareness and deepen understanding of the neurological condition.

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During the ceremony, he famously blurted out the F-word in front of other worthy recipients of the New Year Honours list.

That colourful episode is recreated with a flourish as the delightfully potty-mouthed opening scene of writer-director Kirk Jones' heartwarming biopic, which is the dictionary definition of a crowd-pleasing underdog story.