Panic in the museum! The animals in Chagall's paintings have disappeared. Gone is the blue fish, nor the green pony, nor the winged horse! On her way to school, Lorita meets the blue fish... floating in the sky! The animals have flown away like multicolored balloons... Oh, it's impossible to catch them: they are too happy discovering the world! The museum's caretaker, Mr. Paul, is very worried. He then begins to investigate to find them... Embark on this fun adventure around the poetic universe of Chagall's works, with his strange and mysterious animals, always fantastic! A trip to the painter's imagination, a story with an intrigue: where have the animals gone? And above all, how to make them come back?