When he picked it up immediately realized that here was a tin with a difference. For one thing, it was lighter than all the others he had come across. Far, far lighter. This was definitely no ordinary tin of beans or soup or stewed steak or curried chicken or macaroni cheese. This was a tin which felt so light that it could almost have been empty. But despite being so light, it definitely had something inside it. Fergal knew that for certain. He could tell that quite clearly.