After the disappearance of her single mother, a Tokyo high school student goes to Niigata to begin work at her mother’s izakaya restaurant.

Nana is on the verge of her 30th birthday and has been feeling anxious about her love life and job. When she returns home one day, Nana is suddenly taken captive by three masked bank robbers who are on the run. Nana determines her life is over, but notices there is something odd about this band of thieves.