Chi-Ho (Kim Woo-Bin), Dong-Woo (Lee Joon-Ho) and Gyung-Jae (Kang Ha-Neul) have been best friends since high school. Now, they are all 20-year-olds.
Three men go on a road trip to find a new life away from the island they live on.
The Tokyo Metropolitan Police Department creates a new division which consists of 5 female detectives. The new division is called Higanbana which is a flower with a poison root.