The Sasaki couple, who run a sheet metal factory, were working hard while holding a loan for a newly built apartment that they finally got. Just then, the parent company goes bankrupt. Stop lending from bank. Furthermore, her husband died in an accident. Struck by her chain of tragedies, Aki wanted to protect only her sheet metal factory left by her beloved husband while shouldering her large amount of debt. And Yoshino, who works for an investment company, visited Aki who was worried about her cash flow. Yoshino says he will buy Aki's debt on the condition of a certain deal...
