Set in 1950s England, Flavia follows eleven‑year‑old chemistry prodigy Flavia de Luce (Molly Belle Wright) after a dead body is discovered at her family’s crumbling manor house. When her father Havilland (Martin Freeman) confesses to the crime, Flavia launches a fearless investigation to uncover the truth — while a real killer remains at large.

Starring Martin Freeman, Jonathan Pryce, and Toby Jones, this thrilling mystery movie blends suspense, humour and heart, uncovering long‑buried family secrets and the legacy of Flavia’s missing mother, a former spy.