In the heart of Saint-Tropez, a charismatic nightclub owner, Renato, along with his flamboyant partner, Albin, who stars as the glamorous drag performer Zaza, navigate the ups and downs of life and love, maintaining a vibrant, if unconventional, family unit. Their lives take a tumultuous turn when Laurent, Renato's son from a brief heterosexual fling, announces his impending marriage to the daughter of a conservative and moralistic politician. Desperate for approval and fearing the potential backlash due to their unconventional lifestyle, Renato and Albin find themselves at a crossroads, questioning how far they're willing to go to ensure Laurent's happiness.

Facing societal judgment and the rigid expectations of their potential in-laws, the couple embarks on a comedic and heartfelt mission to disguise their true identities and play the part of a traditional family. The preparation for the visit from the fiancée's parents involves a series of humorous misadventures and identity swaps, leading to a chaotically orchestrated evening that puts their acting skills and the strength of their family bonds to the test. The plot explores themes of acceptance, love, and the definition of family, offering a poignant yet comic look at the lengths to which people will go to protect the ones they love.