Kim Kang-woo is a South Korean actor. He is best known for his roles in the korean dramas Woman of 9.9 Billion (2019), Item (2019), My Contracted Husband, Mr. Oh (2018), Circle (2017), Goodbye Mr. Black (2016), The Missing (2015), Golden Cross (2014), Lovers of Haeundae (2012) and The Slingshot (2009).
Jeong Seo-yeon has a hard life even though she has been trying to find happiness in her life. Just as she loses all hope of living, she comes across 9.9 Billion. Kang Tae-woo, an ex-detective, tries to uncover his brother’s death that he suspects to be related to the 9.9 Billion. Can she hold on to this huge sum of money?