Shylock's Children is a Japanese mystery and economic novel by Jun Ikeido, published in book form by Bungeishunjū on January 30, 2006.

Hanzawa Naoki was also a drama set in a bank, but according to Ikeido, this monumental work that defined his novel writing style is Shylock's Children, he said.

[14] The film also added an original character, Hajime Sawasaki (acted by Akira Emoto), a guest with a strong personality.

[19] Film journalist Ryo Kitaura found the interplay between veteran actor Sadao Abe and Akira Emoto very interesting, and recognized that the story had themes common to Jun Ikeido's works, which was a good thing.

[19] Masahiro Nishiki is a veteran customer service representative at the Nagahara Branch of Tokyo Daiichi Bank.

While a manhunt is underway for the culprit, Nishiki's subordinate, Airi Kitagawa, is suspected, but it turns out to be a false accusation by a female co-worker who had a grudge against her.

As Nishiki, together with Airi and his subordinate Yoji Tabata, investigates behind the scenes of the cash loss incident at the bank, they come to an unbelievable truth.