Phantasia Online is the current most popular online game in South Korea with its professional scene known as Phantasy League. Kim Taeyeon is regarded as the number one player but due to several reasons, she had decided to retire after winning her third consecutive championship.

When a new server was launched after two years of her retirement, she finds herself picking an account card and throwing herself into the game again. Bringing with her the experience and skills of herself, Kim Taeyeon returns along the road to the summit begins. Except, she did not expect herself to find love in the middle of the road.