Jam Films 2 features 4 short films by different Japanese directors.

Aya (Mizuho Hata), an 18-year-old girl who hangs out in Shibuya, lightheartedly dabbles in a drug called "Tama". She meets Naoya (Yusaku Yonemitsu) at a club and becomes friends with him, but one day she is raped by a group of men who pick her up. The shock of this leads her to abuse the drug even more, and she spends her days in disarray.

Michiko a high school girl had committed suicide, but she was resuscitated by an alien parasitism. While she brutally murdered men and spawned one after another, her friend Rika met Mayumi. Mayumi was told that she was parasitized by a gentle alien. They decided to fight Michiko.

Maria Aoi moves to Tokyo from the countryside and becomes an adult video actress. She climbs the ladder to stardom but worries about her relationships with her family and lover.

Takase works part-time as a motorcycle courier but plans to switch jobs the next day to become a drug courier with his friend Kono. His final delivery is to pick up original illustrations from an artist named Nana and deliver them to her publisher. However, when Takase arrives at the designated time, the illustrations aren't ready, forcing him to wait around for hours. The artwork is finally completed late at night. With the job done at last, Takase decides to go out for drinks with Nana. Just then, Kono joins them, and the three of them head out into the night.

Housewife Yoko is paranoid after being attacked by someone.

Misaki, a bar hostess fired from her job, starts to work for a delinquent friend.

Nami's still the hottest trucker in Japan, but now there's a new contender for the title of Queen of the Road! Meet Ayano, the toughest highway patrol officer to ever fill out a bulletproof brassiere and Nami's former high school gang rival! However, a certain truck driving mama isn't the only target this smoking-hot smokey has in her sights. There's a deadly drug hitting the market and someone's transporting it across Japan via unwitting truckers. Does that sound like a good enough reason for two ex-delinquents to set aside their mutual differences and put a little pedal and metal up some gangster butt? Maybe, but not all road trips have happy endings, and the payoff at the end of this run could prove lethal. Expect some heavy girl-on-girl friction ahead as the brakes give out, the undercover action heats up, and a crazy string of tips, gas, and drugs paves the way for Nami's wildest ride yet!

As Nami (Akiho Yoshizawa) was on her usual deco-truck errand, a High School girl called Kanna shows up. She tells Nami that she is her long-lost sister since she was 5 years old, and she has run away from home after quarreling with her mother. Nami cannot recall much about her mother, Nanako but it turns out that she is Nami’s favourite radio program DJ! Can she forgive her mother for abandoning her!? What will become of the ongoing romance with Kikuo!?!? The 4th installments of the popular “Deco Truck Nami” series – More drama, more tears and simply irresistible!