The blue puddle / Comforter / Nightmare / Early childhood

It all begins with a mysterious disappearance: Georges' comfort blanket falls into a puddle of blue water and when the child dips his hand in it: nothing, the puddle is bottomless. How to explain this strange event to your parents? Georges prefers to keep quiet and wait until nightfall to put his plan into action... He will then have to defy his fear of the night, perhaps also of water, and face the irrational to find his missing blanket!