Bianca had returned to the apartment a week ago.

Shaken and bruised, her shoulder was healing nicely.

But the Masters had wanted to get her back to the safety of their home.

True to their word, O'Grady and St Just set about finding out who had been behind the attack. But they found to their surprise that no traces had been left behind at the accident site.

As Captain Davis put it in frustration,

"It's like a ghost sailed in and did it."

It had been four ...