In Montreal, the unemployed fashion designer Sophie Malaterre is shown a website, switch.com, where it is possible to switch houses with a stranger for vacation. Sophie seeks an apartment in Paris nearby the Eiffel Tower that belongs to Bénédicte Serteaux and they change apartments. Sophie arrives in Paris on Saturday morning. The next morning, policemen break in the apartment and arrest Sophie while she is having a bath. Detective Damien Forgeat interrogates Sophie believing that she is Bénédicte and she learns that a beheaded body was found in her room and all evidence of her life has been deleted.
Éric Cantona
as Damien Forgeat
Karine Vanasse
as Sophie Malaterre
Mehdi Nebbou
as Stéphane Defer
Aurélien Recoing
as Delors
Karina Testa
as Bénédicte Serteaux
Niseema Theillaud
as Alice Serteaux
Bruno Todeschini
as Verdier
Maxim Roy
as Claire Marras
Sophie Faucher
as Marianne Malaterre
Karim Saleh
as Kourosh
Cyril Lecomte
as Koskas
Pierre Leblanc
as Canadian Inspector
