Kim Baek Jin (Kim Joo Hyuk) is an anchor, reporter, and leader of investigative reporting program “Argon” He does not tolerate mistakes and relies only on facts. Meanwhile, Lee Yeon Hwa (Chun Woo Hee) is a contract reporter. 3 months before her contract is to end, she is assigned to work at “Argon”. Lee Yeon Hwa struggles to get a permanent job there as a reporter. She receives strict training and grows as a reporter while Working with Kim Baek Jin.