With a severe storm about to hit the Bokuto Precinct, Natsumi and Miyuki have their hands full with a reckless driver terrorizing the city streets. It seems to happen everytime a typhoon hits the Tokyo area. Dedicated to helping a very sick kitten, whom Natsumi has named chibi, the two policewomen try to figure out why she's sick. Then Miyuki discovers that chibi is pregnant. Meanwhile, Nakajima asks Miyuki for some help which happens to send Yoriko's gossip mill racing into overtime. That help he asks for is to enhance his motorcycle to it will work better in the rain-storm. Miyuki happens to enlist the aid of the gossip-mill, Yoriko and Natsumi into enhancing Nakajima's bike. While Nakajima is racing against the reckless driver, Miyuki and Natsumi are left cleaning up the accidents that the driver is leaving behind. This also has left the two young officers to attend to a pregnant chibi as they attempt to get the small kitten to a vet while Nakajima is left to the driver.

Confusion and gossip collide in Ken and Miyuki's relationship. While Ken's inability to ask Miyuki out continue to surface, the women of Bokuto plot and scheme to get Ken and Miyuki together. Unbeknownst to the women of Bokuto Station, Miyuki is on her way to a reunuion so their plans to get her together with Ken have been crushed. While Miyuki is dealing with her reunion, Natsumi convinces Ken and they both ride after Miyuki. After Natsumi gets herself drunk and decides to spend the rest of the night with Ken, the gossip-mill runs into overtime as the rumors about Natsumi, Miyuki and Ken start flying. This forces the captain to order Ken and Miyuki on a date after the tension between this love triangle to rage.

Natsumi is considered to join an honor guard police squad in the upcoming parade. Could this be the end of the partnership between Miyuki and Natsumi?

Bukotou station receives a new officer, Aoi Futaba, who turns out to be an undercover guy who's worked so long as a gal that he's a transvestite now, and a very pretty one at that. The entire station, except for the Chief, is uncomfortable with her presence, but the gang get to see Aoi's true colors when Aoi's old girlfriend arrives asking for help, not knowing who Aoi is.

A wave of motor scooter thefts hits the Bokutou district. The squad is also driven crazy by an outrageous woman, known as the Scooter Mama, who is obsessed with rushing off to every short term bargain sale in town, and breaking every traffic law along the way. And when Scooter Mama's scooter is stolen, Miyuki and Natsumi are in for the ride of their life as they attempt to track down the thieves.

The station holds a party for Toukairin's last day.