It's early summer and Agathe is back in France, at home in Montreuil. She has to get over her husband's death and return to her work as a film director. The unexpected arrival at her house of a couple of Icelanders, a sea lion and a neighbour that she has always desired yet never vanquished will give Agathe the strength to get her life back on track...

10 days is the time during which Jean and Jeanne loved each other. But at twelve, 10 days is the whole life.