A family with four children who are very dependent on their mother. The mother always gives her best and dedicates herself to taking care of her children.

Haryo's death left a painful sorrow for his wife, Rahmi, and his four children, Ranika, Rangga, Rania, and Hening. Ranika as the backbone of the family who was too authoritarian, made the relationship between the siblings strained. In fact, Rahmi had high hopes for her children, that if Rahmi was gone tomorrow, they would always be harmonious. Unfortunately, other problems arose, causing chaos. Hening who was caught dating secretly, Rania who stole Ranika's close friend, and Rangga who had no job and considered Ranika a 'late hero'. The disharmony between her children made Rahmi's health worse... Will Rahmi be able to get through her critical period? Will Rahmi's four children be able to grant Rahmi's last wish 'If Tomorrow Mother Is No More'?