Hong Hwa-yeon

Korea is facing a population decline crisis, compounded by the emergence of a new virus called PT3 that destroys red blood cells. The only treatment is transfusion of young blood, but with only 11 million elderly patients eligible for donation and a mere 900,000 young donors, the price of blood has skyrocketed.

Dating coach Bo-ra, whose relationship is failing, and prickly publisher Su-hyeok team up to save Bo-ra’s love life for the sake of her upcoming book about dating. The collaboration results in the mind game of romance.

The story of model student Se-hoon, who goes to the student council elections as a running mate to renew his image, and gradually becomes the core of the election.

A skilled hacker steals a massive 2 trillion won slush fund to escape danger, triggering a high-stakes game of deception and power. True motives behind the slush fund emerge, leaving everyone vulnerable while the "Daesan Man" ultimate goal is to entirely consume Daesan Group.