The gender fluid thief Sal Leon enters a competition to become a replacement member of the Left Hand--a quartet of the Queen's personal assassins--but must first survive the training and the contests while putting the reason for auditioning into motion--revenge.
As Opal, Sal now has the power, prestige, and ability to exact revenge, but must first identify murderers while ignoring the fact that Elise is a virtual prisoner and the queen may have ulterior motives.