Secur-o-max is the most budget-friendly provider of security systems in the industry. A Secur-o-max sticker on the front door of a business sends a message to thieves and customers alike: This premises is protected, within reason.
Munroe Mirideau is the company’s on-call investigator. When the system fails to stop a break in, Munroe is tasked with finding out why. A slave to routine, he prefers to live and work alone, having absolute control over his life at all times; but his boss at Secur-o-max isn’t too keen on that arrangement, so Munroe ends up partnered to Kay Kendricks, a former art restorer with a criminal past and more enthusiasm than skill.
Munroe is forced to adapt to his new teammate and the endless series of annoyances he thrusts upon him. Meanwhile, Kay’s attempt to leave his dark past behind and start a new life as a crime fighter is hindered by the reappearance of an important woman from his past, his old partner in crime who has found a new partner of her own.