A man and a woman are brought together by chance for several months. He is younger than she is, married, Russian, officially a diplomat stationed in Paris. She is a beautiful teacher and researcher, with her feet firmly on the ground. The film follows the evolution of their love, from the beginning to end.
| Actor | Role |
|---|---|
 Laetitia DoschHélène | Hélène |
 Sergei PoluninAlexandre | Alexandre |
| LLou-Teymour ThionPaul | Paul |
 Caroline DuceyAnita | Anita |
 Grégoire ColinHélène's Ex | Hélène's Ex |
 Slimane DaziPsychiatrist | Psychiatrist |
| VVincent Courcelle-LabrousseNot listed | Not listed |
 Dounia SichovNot listed | Not listed |
 Arthur VerckenNot listed | Not listed |
| GGraziella FiesoliNot listed | Not listed |
| CCaroline MarsonNot listed | Not listed |
| LLuc BatainiNot listed | Not listed |
| TThomas LefrançoisNot listed | Not listed |
 Marie ChauvinNot listed | Not listed |
 Shahira FahmyNot listed | Not listed |
 Yves HeckNot listed | Not listed |
 Tibo VandenborreNot listed | Not listed |