Listen up, kid.

You’re walkin’ into a case where one wrong move and you’ll be way in over your head. I’m Sam Spade, and if you’re sharp enough, I’ll help you crack this thing wide open. There are four key pieces to this puzzle, and each one’s more important than the last. You find ‘em, you bring ‘em to me, and I’ll make sure you walk away with a reward that’ll make this whole thing worth your while.

Keep your eyes peeled, stay cool, and don’t let the pieces slip through your fingers. When you’ve got one of each, you’ll find me sittin’ at my desk, ready to check your haul. Don’t mess this up, mug.

Now for your first lead, wiseguy:

So you think your a real gumshoe? The coppers got themselves a big case. Even Sargent BROWN is shaking like a thin sheet of PAPER in the wind. They’ve been collectin’ every last scrap of EVIDENCE. But they’re going to need your help, kid. You find the first clue and you’ll have this case in the BAG.