This is a story taking place in a time of raging pandemics, and all beings are in crisis. With a magical rose, a little girl is going to travel through a city filled with viruses and indifference, just to dedicate this rose to her mother who is courageously guarding lives in the front-line hospital.
During the process, she encounters cursed demonic creatures and receives help from a tribe of discriminated rats. The journey is like the worldwide anti-pandemic battle, bumpy and full of frustration, but hope is never lost.