The Case of the Night Train Riddle

A young boy and his father are traveling on a train, and after they have a fight, the boy runs out of the compartment and seems to have vanished into thin air. Although his governess thinks he has simply run away, Holmes begins to suspect something a bit more serious, and his investigation leads him to a nearby circus.

Un niño y su padre viajan en un tren, y después de una pelea, el niño sale corriendo del compartimiento y parece haberse desvanecido en el aire. Aunque su institutriz piensa que simplemente se ha escapado, Holmes comienza a sospechar algo un poco más serio, y su investigación lo lleva a un circo cercano.