Out running an errand, Valeria Cossati gives in to a sudden impulse - she buys a shiny black notebook.
She keeps a diary in secret, recording her worries about her children, fears her husband will find her up late writing and the constant churn of the domestic routine. With each entry she plunges deeper into her interior life, and the roles that have come to define her - as wife, as mother, as daughter - begin to break apart.