Ryohei Tsukuda (Hiroshi Abe) worked as a researcher at the Japan Aerospace Exploration Agency. He now runs a family-owned factory that manufactures small engines. His daughter Rina (Tao Tsuchiya) is a high school student. He doesn’t get along well with his daughter, but the family owned business is improving. Ryohei attempts to develop a rocket engine, which is a lifelong dream for him, but it causes his factory to suffer.
One day, an important client stops ordering from Ryohei’s company. He tries to borrow money from the bank, but the bank declines his loan application. To make matters worse, a rival factory sues Ryohei’s company for patent infringement. Ryohei and his employees face a dire situation.
At this time, a large company offers a deal to Ryohei. The company wants to buy their patent for 2 billion yen. Ryohei must decide whether to sell the company’s patent or follow his dream.
Based on two novels in the “Shitamachi Rocket” novel series by Jun Ikeido: “Shitamachi Rocket” (published from April 18, 2008 to May 22, 2009 in weekly magazine Weekly Post) and “Shitamachi Rocket 2 Gaudi keikaku” (published November 5, 2015 by Shogakukan).
Novel “Shitamachi Rocket” won the 145th Naoki Prize in 2011.