Kim Taeyeon is a socially awkward guy who has been, in his whole life, struggling from building friendships and romantic relationships. Im Yoong, however, is a total opposite of the former, yet is very obscure on his real disposition. Their lives then changed when their fate intertwined with Jessica Jung, a mysterious yet enticing girl. Their encounters seemed to be accidental, at least they th

To escape from marriage arrangement, Tiffany ran away from home in search for her true love, her childhood prince. However, she was caught up in a detour, meeting the campus heartthrob/single father Yuri. Is it the will of destiny that brought her to him or it's all nothing but a mere detour on her journey?    

In a snap, half of the people in the world vanished. Taeyeon and Hyoyeon were the only two left for Girls' Generation, a nine-turned-eight-member Kpop girl group. Like the rest of the World survivors, they have been in a struggle for years of coping up with the loss of their loved ones. However, sudden news has erupted that their former co-member, Jessica, turned out to be alive and have survived the tragedy.

Kim Taeyeon, CEO of one of the largest chaebols in the country, attends a business summit conference where she meets the newly appointed CEO of a rival conglomerate, Jessica Jung. At immediate sight, the two were smitten with one another. Will the attraction blossom into love or will the rivalry prevail?   

Kim Taeyeon thrived to spend the saddest day of her life with the ones she loves, however, was unfortunate. The emptiness has seeped in her again. The feeling had her stumble upon an old phone number.