Terajima Mikako became a boys volleyball team coach at a junior high school she has been assigned to. As an incentive for the team members who do not show the slightest enthusiasm, she promises to show them her boobs if they win a game.
Saru is a talented young locksmith who unlocks any kind of lock. He is, however, a complete fool when it comes to women. One day a girl Mayumi asks him to open a safe full of stolen money. Knowing nothing about it, Saru takes the money briefcase with Mayumi and finds himself with yakuza gangsters and also police in hot pursuit.
Yumi, a writer of a science magazine, witnesses a mysterious death of a high school girl who received a "one missed call" from her own cell phone, two weeks in the future. The disturbing message on the cell phone turns out to be the screams of the victim.
