The Joy of Singing 2008 A banker has died He trafficked in nuclear material, so French intelligence assign two agents to find his list of contacts, which are on a flash drive Muriel the boss, acerbic, willing to sleep with any man, wondering if she should have a child and Philippe, younger, boyish, meticulous, bothered by Muriels frank sexual interest They watch Constance, the bankers widow a naif, friendly, open, trusting Shes taking opera lessons, so the French spies join the class, which Muriel enjoys It seems that other spies are after the same USB, and some of them sing as well Singing, spying, and sex lead to duets of all kinds as well as to an eventual showdown