Hisashi and Mai are set to have their wedding ceremony in three months. Unfortunately, Mai falls ill and lapses into a coma. Twenty-somethings Hisashi and Mai are engaged. When suddenly Mai's heart stops and she falls into a coma all Hisashi can do is remain by her side, albeit without knowing whether she might improve. Things look up when Mai finally comes out of the coma and becomes conscious again, but she has suffered brain damage and cannot remember her man.
A pharmaceutical CEO who is pondering thefts and irregularities at his company drinks a drug that temporary suppresses his signs and gives him a deathlike state for a couple of days. Something goes wrong. His daughter, with whom he has had a rocky relationship, attempts to rescue him with help from a company employee.