Retinitus Pigmentosa is a diagnosis horrible enough to make everyone desperate but when it comes to a teenager, the news is even more devastating. Ava is an ordinary French girl whose doctor inform her that she is going to lose her sight earlier than it was expected. The mother of the 13-year old girl tries to act as if there is no problem, in order to have a wonderful summer vacation with her only daughter. However, Ava has other plans and tries to deal with the decease in her own way. Meeting the 18-year old Juan and his black dog Lupo is a happy event for the girl. The two teenagers start hanging out often, putting themselves into trouble sometimes. Ava wants to run away with Juan and start a new life but they first need to find his car.