An investigation and reflection on the figure of the Senegalese poet and politician Léopold Sédar Senghor. The filmmaker collects his memories, explores his own memory and that of his family to write a “letter” to Léopold Sédar Senghor the poet, the academician, but also the former head of state of Senegal. Words and images are addressed to the ancestor, the grandfather in the African sense of the term, the one to whom we can tell everything, the most secret words, the most sincere confidences like the most biting pikes. , provided you know how to respect the codes that allow this game of truth.