From set designs to character arcs, get exclusive cast and director interviews on how Season 2 of the globally most-watched series was brought to life.

In a world where an AI programme allows people to communicate with their deceased loved ones, a flight attendant and a mother question the meaning of reality and humanity.

Ex intelligence agent Ki-heon is tasked with safely transporting Seo Bok, the first ever human clone, who holds the secret of eternal life. Several forces try to take control of…