 Back from a holiday in Spain, Lili, 19, finds that Loïc, her twin brother, has left the house following a row with their father. She disapproves of her parents  apparently light attitude and is particularly shocked by her father s reluctance to even talk about the event. Lili desperately waits for a phone call from Loïc but her brother shows no sign of life. It is not long before Lili falls into depression and her condition quickly deteriorates. She won t eat anymore and is about to die when, at long last, a postcard written and sent by Loïc brings her back to life...