Undertaking Betty (2002) on Netflix

Plot summary

Boris Plots runs Plots Funeral Home in the Welsh village of Wrottin Powys, where his rival Frank Featherbed, an American, wants to reinvent British undertaking with themed funerals. As a boy Boris dreamed of dancing and of Betty Rhys-Jones. Betty loved him in secret, but her father's wishes married her to Hugh Rhys-Jones. Boris abandoned his own ambitions to run the family firm. The funeral of Betty's mother-in-law brings the two of them back into each other's company, and the old spark returns. Betty's adulterous husband, the councilor Hugh, remains the obstacle. The pair settle on a deception: she will seem to die, and the two will leave.