Brother Marie-Victorin, founder of Montreal’s Botanical Garden, is bored with heaven and decides to return earth to help former agronomist turned beekeeper Albert save Quebec’s flora from a multinational that is poisoning the Earth with chemicals.

Montreal, 1940. The Second World War is raging in Europe. Pierre Sauvageau, 22, would like to enlist, but he has to take care of his twin sister, crippled from birth. This proximity awakens the sensuality of Berthe who tries to seduce her brother. Pierre rejects her advances, but when he falls in love with Marguerite, his best friend's girlfriend, he is haunted by the fantasy of his sister.

In 1957 in the Faubourg à m'lasse suburb of Montreal, tension was at its height between a joyful team of young freedom-loving baseball players and the hierarchy of the Church determined to impose its morality against all. The confrontation between the vicar Cotnoir and the anarchist professor Rochette is only resolved with the involvement of Délima, the whimsical grandmother of Michel, one of the rebellious students who will be miracled!