"Every night, she cleans. On the fourth floor of an unnamed office in an unnamed city, the night cleaner comes and does what she does bestsorts out the messes of the daytime employees. None of them know her, but she knows everything about them: Sad Interns dreams to get promoted, Résumé Womans nasty flight-risk behavior, Mr. Buffs secret smoking habit (not very conducive to his fitness journey). Shes the office mastermind, the one everyone needs, and no one even knows she exists. And tonight, while scrolling through your emails, shell discover the secret youve been hidingthe one that will put everyones job at risk. After all, protecting the employees is her responsibility: whether its from rats and window smudges or from the sinister CEO who may be driving the company into ruin. And youre about to find out that, sometimes, your most powerful enemy is the one you dont even see."--
