Inspector Rivera and Rex receive a strange visit from a war widow, who claims the ghost of her dead husband is responsible for the murder of a man and the bashing of another. The 'ghost' however is more - and less - than it appears to be.

When some human bones are found, Inspector Fabbri's team is called in for a forensic assessment. DNA testing concludes the bones are the remains of Alessandro Solferino, a young man who disappeared three years earlier. Fabbri soon discovers that the deceased's father, a wealthy businessman, has some skeletons in his closet.