Nothing is as fragile as the memory of a child...

Malone, a child barely four years old, starts to claim that his mother isn''t his real mum. It seems impossible: his mother has birth certificates, photos of him as a child and even the paediatrician confirms this is her child.

The school psychologist is the only one who believes him. Desperate to find out the truth, he approaches Marianne Augresse, a police captain with better things to do with her time: hot on the heels of a a major criminal, she doesn''t think the wild fantasies of a child are something she should worry about.

But what if she''s wrong?