Han Sun-Joo’s life is perfect. She is married to Shin Myung-Seob and they have children. She tries to help her husband succeed at Rahen Group, a company which her mother runs, and she also tries to raise her children as best as she can. Before their marriage, Shin Myung-Seob was in a poor financial situation and he came from a poor background. His life changed drastically after he married Han Sun-Joo. He is now recognized at work. He is a good husband and father, but he meets Yoon Mi-Ra and becomes attracted to her. Meanwhile, Han Jung-Won is Han Sun-Joo’s younger brother. He has a warm heart and he is a good to Han Sun-Joo.

Lee Jae-in (Ha Seok-jin), a ruthless son from a wealthy family starts seeing an elementary school teacher, Kim Da-hyun (Jeon So-min) whom he has never seen before, on a six-month contract engagement, so that he could inherit the asset as written on his grandfather’s will. '1% of Anything' is a romance drama depicting what happens to the pair during the fake engagement.

A landmark representing Korea, how much do you know? Korea's representative landmark to let the running man know directly! The best performers of Korea gathered there! Solve the missions in various places and get out of there until the next morning through game! Through constant confrontation and urgent confrontation, we will reveal the hidden behind-the-scenes of Korean landmarks!