When Vivien Rocher arrives in the French village of Lansquenet and opens a chocolaterie directly opposite the church, Father Reynaud identifies her as a danger to his flock - especially as it is the beginning of Lent. The priest denounces the newcomer's wares as the ultimate sin, and suddenly Vianne's shop-cum-café means that there is somewhere for secrets and grievances. But Vianne's plans for an Easter Chocolate Festival divide the community into an escalating 'Church not Chocolate' battle.