Gong Yoo stars as Ki Heon, a former intelligence agent with a terminal illness, tasked with safeguarding Seo Bok, the world's first human clone, who holds the key to immortality.
Seobok
A retired spy is entrusted with safeguarding Seo Bok, a cutting-edge human clone with the power to grant eternal life, as various groups fiercely compete to unlock its secrets.
