Actor Kim Woo Bin is set to showcase a dramatic transformation in his new role as Lee Jung Do in the upcoming Netflix film 'Officer Black Belt', premiering September 13. The character, a martial arts officer with nine Dan degrees in Taekwondo, Kendo, and Judo, uses his skills to monitor offenders under electronic surveillance. The recently released teaser highlights his striking blonde hair, marking a significant departure from his usual dark hairstyle, which has surprised fans. The film blends action and comedy as Jung Do teams up with probation officer Kim Seon Min to prevent crime while incorporating his martial arts prowess. The promotional materials showcase high-octane action sequences and a charmingly quirky personality from Kim Woo Bin's character. Additionally, a heartfelt gesture from Shin Min Ah, who sent a coffee truck to the set, has added to the film's buzz.