In this tale, you play as Dr. Watson, working together with our Detective Holmes to solve a mystery. While this is a choice based IF, it is more of a linear story than a mystery game. You get to make a few choices here and there, but the game largely guides you towards solving the mystery.
Watson is brought in to investigate a murder, but is quietly incapacitated during the investigation. However, during this time, his consciousness is transferred into various animals and people, allowing him to carefully puppet them and use them to nudge Holmes towards solving the mystery. It is not quite explained how Watson stumbles upon this unusual power, and while you get a few choices here, the game largely puts you on the straight path to exposing the murderer.
This is a better read if you want to read a mystery rather than actively try to solve one. Not saying it's a bad thing, of course. That said, there is one other thing I'll address.
Most of the art in the game appears to be AI. Strangely placed doorknobs, unusual buttons on clothes, strange shadows and so on. The game's description clearly declared the use of AI, and IFcomp doesn't prohibit it, so I can't really penalize it here. Another thing I'll also say is that the technology has been improving, and it has been harder and harder for me to pick out the little AI tell-tale signs these days. Still, while pictures generally could be used to add flavor to a game, I don't think it's absolutely necessary, and it can be immersion breaking when my eyes spot some out of place art because the machines haven't quite gotten it right.
Anyway, these are my thoughts as a whole.