Forever Unfaithfully Yours(2018)

Original title: Věčně tvá nevěrná

Josef and Miluška have been married for what seems like forever. Miluška teaches areobic and cares for her husband and teenage daughter tirelessly. Josef loves his wife, but has a weakness for younger more beautiful women. Their marriage, along with Josef's bankrupt publishing company, is slowly crumbling until aunt Marta - an experienced marital counsellor - comes to the rescue. She has a bold plan to fix not only their marriage, but also Josef’s publishing company. The prescription? Infidelity! They must catch each other out in flagranti.