Les Mystères de la duchesse (2022) on Netflix

Cyril is doing his Taï-Chi in a corner of the Domaine du Manoir. A golf club slams into the back of his neck, killing him with a deadly blow. The investigation is entrusted to Maud Arthuis, who is more than 8 months pregnant but widowed.

Cyril is doing his Taï-Chi in a corner of the Domaine du Manoir park. A golf club slams into the back of Cyril's neck, killing him with a deadly blow. The investigation is entrusted to Maud Arthuis, who is more than 8 months pregnant but widowed, the future father of the child she is carrying died of a stroke early in her pregnancy. Maud receives unexpected help from Lucien Labeguerri, a private detective assigned by the daughter of Louise de Crémier, "the Duchess" whom Cyril, the victim, had recently married. Estelle believed it was an abuse of weakness. Who killed Cyril? Louise's daughter? A hunter dispossessed of his usual land? Cyril's ex-girlfriend? The steward of the Manor? Maud and Lucien are not at the end of their surprises, which put them in a position to confide in their painful course of life, when a new assassination occurs.

—Happy_Evil_Dude