Ep. 20: Ayumi e os Menos Detetives exploram uma mansão assombrada onde ocorreu um assassinato há cinco anos.

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Ayumi is walking home when she sees candle lights in an old abandoned house where an unsolved murder occurred five years ago. When she convinces the Junior Detective Boys to sneak in and explore the house, Conan notices food cooking and running water. Mitsuhiko and Genta are captured when they wander off by themselves. Conan and Ayumi follow an old woman down some hidden stairs and find a caged man named Akio. Conan's postulates that Akio is the son of the murdered man and is being held against his will by his mother who refuses to let him confess to the police. When the woman prepares to kill Conan, Akio confesses that he did murder his father due to his harsh judgment when Akio failed an important test for the third time; his mother, after discovering the crime, fixed the scene to make it look like a robbery-murder and locked her son in a basement cage. Conan persuades the woman to let Abraham turns himself in and she follows suit. Mitsuhiko and Genta are found sleeping outside. Later, the Junior Detective Boys decide to investigate another haunted house which actually belongs to Shinichi. (Source: Wikipedia)