After his wife, Yi-hoo, passes away from an illness, Jae-hyun one day receives a message from her, an invitation to a world called Yonder, which was designed based on her memories; Jae-hyun goes to Yonder and reunites with Yi-hoo.
EPISODE 1
The remaining person
A new social system in meeting one's death is implemented via new euthanasia laws; Yihoo, who is in dire pain from stage 4 heart cancer, chooses to die by euthanasia.
EPISODE 2
Wife's contract
Jaehyun receives a call from Joeun, the chief of the Organ Procurement Team, who says that something strange has been discovered within Yihoo's body.
EPISODE 3
Rendezvous with a memory
In the process of figuring out the connection between BY N BY and VRophin, Jaehyun, Hacker Park, and Joeun go to Dr. K's announcement of the launch of brophine.
EPISODE 4
Beyond the memories
Peach receives a message from her dead father, inviting her to come live with him; Jaehyun tries to persuade Peach, who begins to falter, that everything is a delusion.
EPISODE 5
Life after death
As Choi Hanki leaves for Yonder, he leaves behind one last message, "There is nothing left, so there is nothing to lose;" this convinces Jaehyun and she decides to go to Yonder as well.
EPISODE 6
Everyone's own heaven
When Yihoo realises that Jihyo is no longer growing, he is hospitalised at the protocol centre; while in search for Yihoo, Jaehyun meets Dr. Jang Jinho and learns about the flaw in the unchanging Yonder.
Shin Ha-kyun
Han Ji-min
Lee Jeong-eun
Jeong Jin-yeong
Bae Yoo-ram
Joo Bo-Bi
Lee Joon-ik
Kim Jeong-hoon
Oh Seung-hyeon
