

"Trickery is a game two can play."
Taekang Group's successor, Yoon Yi-jun, is the prime suspect of a shocking murder. To uncover the truth, Kang Jae-hee goes undercover as a male secretary to keep an eye on Yi-jun. The closer they get to what really happened, the closer Yi-jun and Jae-hee become. Will Jae-hee, who is hiding her identity, and Yi-jun, who is hiding a secret, be able to let their true feelings be known to one another?

Taekang Group's successor, Yoon Yi-jun, is suspected of murdering his secretary, but the group's power and lack of evidence impede the investigation. To find key evidence, special forces-turned-detective Kang Jae-hee applies to be his secretary, not as a woman but as a man! She manages to get the job, but Yi-jun doesn't let his guard down. Jae-hee risks getting exposed on her first day at work.

Kang Jae-hee's double life begins. She's Yoon Yi-jun's secretary by day and a detective by night. Yi-jun keeps testing her, but Jae-hee relentlessly keeps an eye on him and searches for the missing phone. She plans to infiltrate the room that's banned from entering, but Yi-jun doesn't let his guard down easily. Their relationship takes a strange turn through unexpected physical contact.

Yoon Yi-jun

Kang Jae-hee

Kim Si-hyeon

Lee Hye-jung

Kang Seok-goo

Jo Sook-ja

Assistant Jeong Da-woon

Park Min-hwan

Han Eun-yeong

Park Bong