A little bird inspires Loulou to share a tale of a nightingale in the emperor’s garden. Replaced by a golden bird, the real nightingale’s magic proves true treasures aren't always made of gold.A little birdie visits Loulou & Lou. Loulou knows a fairytale about one such pretty bird: In the enchanted gardens of the emperor, a small nightingale shows up that fills the air with magic, through its song. A golden bird made of gears replaces the real nightingale, but when the emperor has health troubles, he discovers that real treasures aren't always made of gold.