What do people usually do when they receive an email message addressed to their namesake? That's right, they immediately forget about him... unless it's Holly, Peter and Miranda, highly experienced Young Detectives who are able to see a criminal mystery in the most ordinary lines. And indeed, a man addresses his old friend, but signs only with initials, his email address is somehow strange. It turns out he has something to hide! There is some kind of mystery here... At their own peril and risk, the young detectives decide to continue corresponding with the virtual stranger. Here they get the answer. This is true! This virtual problem requires an immediate solution!..