Fleur de tunnerre is a French-Belgian drama film co-written and directed by Stéphanie Pillonca-Kervern, released in 2017. It is the adaptation of the novel of the same name by Jean Teulé (2013).It relates the novel biography of Hélène Jégado, nicknamed "Fleur de tunnerre" by her mother. Employed for years as a cook in Lower Britain in the early 19th century, taking on the incarnation of Ankou, a mythical character of death, she kills her successive employers by poisoning their food with death to rats.