Filing for Love is a workplace romantic comedy that follows Noh Ki-jun, a talented auditor whose career takes an unexpected turn when he is demoted and assigned to handle minor office scandals. His new boss is Joo In-ah, a strict and mysterious audit director with secrets of her own. Determined to regain his position, Ki-jun begins investigating rumors surrounding In-ah, only to discover that she is far more complex than he imagined. As professional rivalries, corporate scandals, and hidden emotions collide, the pair develop an unexpected connection, turning suspicion and conflict into a heartfelt office romance filled with humor and charm.