Set in the year 2032 in a large metropolitan city, 'Yonder' follows Jae-hyun, a reporter for Science M who lives in perpetual emptiness and grief after his wife, Yi-hu, passes away from cancer. Unable to move on from his deep sorrow, Jae-hyun suddenly receives an enigmatic email from his deceased wife, inviting him to a mysterious unknown space known as Yonder. Yonder is a virtual reality world designed by a brain-computer interface (BCI) technology company, allowing people to live forever using their actual memories before death. Upon entering Yonder, Jae-hyun reunites with Yi-hu, sparking complex emotional conflicts about mortality, memory, love, and what it truly means to be human in a rapidly advancing technological era where the boundaries between life and death begin to blur.