Valiant Hearts (French: Cœurs vaillants) is a 2021 World War II drama film written and directed by Mona Achache from a screenplay she co-wrote with Christophe Offenstein, Jean Cottin, Anne Berest, and Valérie Zenatti, starring Camille Cottin.

[6] The film is a co-production between France and Belgium and it is based on the real-life story of Achache's grandmother, Suzanne Achache–Wiznitzer, who was a Jewish child placed in foster care during World War II to escape the Holocaust.

In 1942 during World War II, six Jewish children are hidden by the French Resistance in the Chambord Castle to escape the Holocaust.

The film is based on the real-life story of director Mona Achache's paternal grandmother, Suzanne Achache–Wiznitzer,[7] who was a Jewish child placed in foster care during World War II to escape the Holocaust.

[14] The shooting followed a strict COVID-19 safety protocol monitored by a COVID reference nurse, and everyone except the actors were using masks on set.