Caroline, an archaeologist, is participating in excavations in the countryside, in the very area where she grew up. Lucie, her daughter, joins her for a few days during her holidays. Caroline always dodged the questions about her family history. However, Lucie learns that her mother is from here and that she is hiding a secret. Also, when she realises that a couple of tits want to help her in her quest, the young girl decides to follow them without hesitation. Thanks to the birds, Lucie goes from discovery to discovery…