The Joy of Singing

The death of a banker involved in nuclear trafficking prompts French intelligence to dispatch agents Muriel and Philippe to locate a crucial flash drive containing his contact list. Muriel, the sharp-tongued boss grappling with her personal life, and the meticulous, younger Philippe find themselves tailing Constance, the unsuspecting widow pursuing opera lessons. As they infiltrate her singing class, the lines between espionage, romance, and music blur, with rival spies also in pursuit of the USB. The unexpected mix of singing and intrigue culminates in a lively showdown filled with duets of various kinds.