Sawamura, a contract part-timer dragged into a multi-million yen internet business, and Kamo, an office worker who lavished money on a beautiful club hostess, arrive at Cowcow Finance, the office of black-market lender Ushijima.

When a greedy family pockets their son's disability payments with no intention of repaying their loan, Ando hatches a plan to get his money back.

Mirai Suzuki (Yuko Oshima) becomes responsible for her mother's debt which is owed to loan shark Kaoru Ushijima (Takayuki Yamada). To begin paying off her mother's debt, Mirai begins working at a dating cafe. Meanwhile, Jun (Kento Hayashi) is the ambitious and greedy company president for an event group. To borrow money, Jun visits Kaukau Finance owned by Kaoru Ushijima.

A classmate from Ushijima's middle school days, Takemoto, shows up. He was a kind man, but now is jobless and without a home. Adrift and unable to borrow money from Ushijima, Takemoto heads for Seiai Home where he can stay while doing work.

Ushijima runs Kaukau Fiance, a black market lending agency which scourges its clients with interest rates as high as 50% for 10 days. Ushijima chases down his debtors, who normally come from the bottom of society, with ruthless efficacy.

Two brothers run a bar called Zenigata in a backstreet of a fishing port. At midnight, the bar changes to a lending place, where the brothers lend money and charge high interest. One day, they hire a former boxer

Loan shark Tsukasa does good business serving women-in-need, but he struggles to recoup his loans when a shrewd yakuza uses his idea against him.

The Japanese political and business world where Chimimoryō is in control. Ginji (Kiyoshi Nakajo), a man who won the fierce competition and built a huge fortune. A new enemy appeared in front of him. Former President of the Liberal Democratic Party, Kawai. He has requested the Japan Horse Racing Promotion Association for 30 billion election funds for the next presidential election. Ginji first brought in a young man named Ryohei, who has an outstanding memory, who remembers all the results of the 10-year race. In order to defeat Kawai, he uses his memory to make a trick.

Tetsuo was suddenly told goodbye by Ginji. As for the farewell, only one of the tables was a real wad of bills and a full trunk. And, in that, there is a letter saying "Replace all this with the real thing!" Tetsuo is at a loss and one day meets Emi who works at the gallery. She endures the gallery owner of an amorous artist and aspires to be a painter. Tetsuo learns from her that a painting of Cezanne with a market value of 600 million yen has been sold to a Japanese person, and contacts the owner, Domon, the president of Teijin Bank. Inspire the desires of collection enthusiasts and imitation art dealers, and come up with a large-scale money game that opens up ambitions!

A man Tetsuo (Kosuke Toyohara) met at a racetrack offered him a job of 100,000 yen per diem, and although he was suspicious, he was urged by the amount of money and decided to take over. What's more, all he has to do is carry a huge cardboard box to the man's apartment. The contents of the cardboard are 1 billion yen in cash. It is said that this will be used to make a back loan. In front of the apartment, men line up for the money. Who on earth is Ginji Hirai and what is his motive? And what kind of fate will Tetsuo be involved in from now on ...?

S Finance's young female president, Fuyumi Asuka (Airi Kijima) ——— She likes smartphone games and cats, but she doesn't forgive anyone for money. Yohei Kiyohiro (Masamitsu Kaji), who was to work for her, entered S Finance without knowing that he was a loan shark, but he could not collect it well and was called a college graduate boy. However, he is entrusted with collecting a man from Fuyuumi. The man is a middle-aged man, Kojiro Masumiya (Takahito Asagi), who inherits money from an idol, Miwa Osumi, who cannot sell. He borrowed a lot of money from S Finance to make her movie. However, Yohei heard about Kojiro's circumstances and felt sympathy, so he decided to wait for the collection, but Kojiro started a plan to borrow money from Yohei himself.

Tadaomy Ando became a yakuza boss at a young age. Because of his subordinate, he quit the yakuza. Now, he learns from Takashi Konaka the trade of illegal money lending and how to collect debts. Tadaomy Ando decides to become a loan shark. He has customers, but has a hard time collecting debts.