When Masahiro returns to his hometown of Tokyo with his wife, he's suddenly plagued by inexplicable feelings of guilt and nightmares from a time long past. Then a mysterious man advises him to perform an eerie ritual in the infamous Aokigahara forest. For Masahiro, a dramatic journey into the past begins, to his innermost spiritual abysses.

Soon after the break of the pandemic and realizing that his clock is ticking, Kristofer gets the urge to embark on a journey to try to find out what really happened when his Japanese girlfriend mysteriously vanished without a trace from London fifty years earlier.