While a plane brings her back from New York to Paris where she is about to get married, the beautiful Julie finds herself sitting next to Antoine, a seductive debauchery whom she loved 3 years earlier. She will do everything to avoid him while he is counting on these 7 hours of flight to win her back! The opportunity for us to travel in the past and relive their meeting, their love, their breakup, so many incredible, romantic and corrosive scenes that will make this trip the most overwhelming of their lives ...