Chaos ensues after global warming transforms a working-class Montreal neighborhood into a world Mecca for truffles.
Long-time friends Yan, Simon, Roxanne, Maxime and his sister Lily are in their early 20s, the age when anything is possible. They are just embarking on their careers. Then one fine summer day, Yan is involved in a fatal car accident. The young man is killed instantly and the rest of the gang is thrown into turmoil.
A lonely and embittered cab driver starts his own investigation in order to break the secret of a passenger he fell in love with.
