-Post S3- After the rug is pulled out from under Nigel Braithwaite's control of the British SIS and subsequent disappearance, ACME remains to clean up the mess left behind. With Carmen, Shadowsan and Player preoccupied, Zack and Ivy, step out onto the field to pick up a few simple tasks that quickly spiral out of control with the unplanned existence of Agent Devineaux. Now lurking around even more after his recent epiphany, somewhat out for his own accord. When only witnessing someone from afar it's tough to gauge one's true abilities, as Zack and Ivy quickly learn. Especially Zack. Whose confidence shines too bright for his own good.