Die drei ??? und der heimliche Hehler

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Something is fishy in Mermaid Court! First a little boy mysteriously vanishes, then a treasured statue of a mermaid disappears. An actor tells outrageous lies...a dog lover gets an unexplained bite...and lights flicker in the windows of the haunted Mermaid Inn! The Three Investigators are eager to find the lost child, but the other mysteries keep getting in the way. The super sleuths face one dangerous puzzle after another before discovering the amazing truth about the missing boy!