The ghost is after the gold. Look across the dark waves at the mysterious island: what can you see? The legend from the Dark Ages that has come to life-the ghost of the monk that has no head! The lighthouse keeper and his family are terrified, and turn to Sherlock Holmes-the world's greatest detective-to rescue them from deadly danger. And what about the missing treasure of 40,000 gold coins? Where has that disappeared to? Sherlock Holmes will find out.