Adventurers plops, ripe for the grabbing

You're the prime suspect in a murder. The evidence against you is overwhelming. That's for one simple reason: You almost did it. You carried out your plan to the very last step, and were about to finish off your victim.

But when you arrived, you found that someone else had beaten you to the kill. Unfortunately, you got stuck with the blame.

Your only hope is to uncover the real killer... but can you do it without revealing your own misdeeds?