Synopsis

Nightflower is a human suspense story that follows Kitagawa Keiko as Nagashima Natsuki, a woman who turns to drug trafficking in order to give her children the best life possible.
 
Working tirelessly day and night, Natsuki can barely put food on the table. One night, she unexpectedly witnesses a drug deal in the city’s nightlife district. Faced with desperation and a desire to protect her children, she makes a life-altering decision – to become a drug dealer herself.
One day, Natsuki crosses paths with Tamae, a solitary underground fighter carrying deep emotional scars.
Offering to act as her bodyguard, Tamae teams up with Natsuki, and together they begin taking on even riskier deals in the drug underworld.
However, the sudden death of a female college student sets off a chain of events that sends their lives spiraling in an unexpected direction.