Bae Doona
Ok Taek-seon
A listless translator's life changes after a bad blind date, making her unusually happy and romantic. She discovers these new feelings are symptoms of a deadly virus, with only one researcher able to find a cure.
Baireoseu
Ok Taek-seon
Lee Gyun / Adaptation
Kim Yeon-woo
Nam Su-pil
Professor Seong
Young-hee
Jeong-hun
Ms. Yeom
Na Jeong-bae
Taek-seon's Mother
Gyun's Mother
Ji-seon
Yi-ju
Manager Kim
Doctor 1
Doctor 2
Cop 1
Cop 2
Young Taek-seon
Director of Research Institute
Director
