The character of Truly Scrumptious does not appear in the original novel, but the filmmakers felt that a budding romantic relationship would serve the movie better than the marriage portrayed in the book.

She leaves, but not before inspecting Caractacus' inventions, including a sweet-making machine that is currently producing defective sweets with holes in them, though her suggested fix is dismissed.

In Vulgaria, a local Toymaker shelters them from the guards, and they learn that children have been forbidden by the Baron's wife, Baroness Bomburst.

[citation needed] Caractacus and the Toymaker investigate the castle, and Truly leaves to get food for the children, returning just in time to witness their capture by the sinister Child Catcher.

[citation needed] As the story finishes, an awkward moment ensues when the children announce that 'Daddy and Truly were married and lived happily ever after'.

The Potts drive home glumly, but upon arriving, find that Lord Scrumptious has changed his mind about 'Toot Sweets' and intends to buy the idea from Caractacus.

Truly is run off the road and into the duck pond for a third time, but as Caractacus rescues her, he admits to her that the children were right and there's nothing ridiculous about the idea of them getting married, and they kiss.

She is portrayed as feisty and modern (for the Edwardian era in which the film is set), and is more than ready to spar verbally with Caractacus, take the initiative in their developing romance, stand up to her wealthy father, and indignantly reject social attitudes she disagrees with.

Although the names of the female characters in the James Bond series, by the same author, are usually racy double entendres, Truly Scrumptious is rather more innocent, as appropriate to a children's story.