Taking lunch orders and cleaning up after your coworkers is all part of the rookie experience. But Jieun takes it all in stride, and as the newcomer at Rendezvous Cosmetics, she's excited just to learn the ropes while earning a modest wage. But this office is far from sunshine and rainbows, and the company's president, Ma Seongjun, is a venomous terror within its walls. After she makes a mortifying love confession in his presence, Jieun is caught in Mr. Ma's web of torture. But that confession wasn't meant for him! It was for her true love—Mr. Kang from the department over! Unfortunately for Jieun, there's no turning back once the boss sets his sights on her. Will Mr. Ma eventually sink his fangs into Jieun? Or is there actually a gentle soul hidden underneath her boss's cruel exterior?