Whose Gem is This?

In a bustling city filled with cutthroat collectors, you play as a cunning cat burglar named Cosmo. After accidentally stealing a rare gem during a heist, you discover that it holds the key to a series of interconnected crimes spanning from the highest echelons of society to the underground black market. Now, you must navigate a web of deceit, uncover the gem's origin, and decide who to trust as other thieves, collectors, and undercover agents close in. Will you play the ultimate game of cat and mouse, or will you find yourself caught with nowhere to run?