A real drama that depicts a unique interpretation of secret and forbidden love centered around 'Alibi Corporation', which does not actually exist but perfectly washes the private lives of its clients. Former bodyguard Jeon Jae Man lost his temper and acted violently toward his clients due to their unfair treatment. As a result, he was fired and began searching for a new job. One day, he meets a beautiful woman at a seminar whose job is to create alibis for clients engaged in extramarital affairs. She offers him a position working with her, and, captivated by her beauty, he accepts the offer. Thus, he embarks on a new career path.