A Good Rain Knows is a 2009 English-language Drama Romance motion picture written by Han-yeol Lee, Jin-ho Hur, Hur Jin-ho and Lee Han-eol. The movie is directed by Jin-ho Hur and Hur Jin-ho and produced by Kim Chul-soo, Gina Kim, Im Hee-chul, Wei Ming Chen, Hur Jin-ho, Kim Yeong-hak, Jin Wi-myeong and Park Myung-sun. A traveling architect meets an old friend from his student years; the pair realize their connection has always been a romantic one. A good rain knows stars Jung Woo-sung in the title role along with Gao Yuanyuan, Woo-sung Jung, Yuanyuan Gao, Sang-ho Kim and Shaohua Ma in supporting roles. The music was composed by Lee Jae-jin. Cinematography was done by Kim Byeong-seo and editing by Choi Jae-geun. The movie has a running time of 100 minutes. Distribution rights for the film were acquired by Next Entertainment World.