Park Sun-Woo works as an anchorman at a TV broadcasting station. He is in love with newsreporter Joo Min-Young, who is bright and honest. Park Sun-Woo then obtains 9 incense items, which allows him to go back 20 years in time. Park Sun-Woo travels to the past.

After a chance meeting with game designer Goo Woong helped revive her "love cells," Yumi enters a new chapter of growth following their eventual breakup. When an unexpected source of inspiration from her co-worker, Bobby Yoo, reignites her ambition, Yumi sets out to pursue her long-held professional dreams. As she navigates fresh personal and career challenges, Yumi strives to find true fulfillment in both her life and her heart.

After a painful breakup, office worker Yumi’s "love cells" fall into a coma, leaving her daily life dull and romance-free. Her outlook changes when she meets Gu Woong, an emotionally stunted game developer who sparks an unexpected connection. As they navigate their budding feelings, Yumi's cells work to reignite her heart and help her find love again.

Kim Boong Do is a scholar who had supported the reinstatement of Queen In Hyun when Jang heebin's schemes resulted in her being deposed and replaced as King Sukjong's queen consort. He travels 300 years into the future of modern Seoul and meets Choi Hee Jin, a no-name actress who is expecting a career renaissance through her role as Queen In Hyun in a TV drama.