Elsa, 8 years old, doesn’t like school. And, as her sister Adèle likes to remind her, she has only one true friend: Aldo, her red fish. One day, Aldo falls asleep… and ends up in a toilet bowl. Without hesitation, Elsa sets out to look for him… in the country of the lost animals. Will Elsa successfully navigate this mysterious place and find Aldo? A quest with elements of initiation interspersed with encounters that are both incongruous and moving. A story told from a child’s perspective to help children cope with the loss of a furry, feathery or scaly companion.