Lee Ji-hoon is a South Korean actor. He is best known for his roles in the television dramas Woman of 9.9 Billion (2019), Rookie Historian Goo Hae-ryung (2019), Your House Helper (2018), The Hymn of Death (2018), Band of Sisters (2017), Legend of the Blue Sea (2016 - 2017), Gogh, The Starry Night (2016), Secret Healer (2016), Six Flying Dragons (2012), Blood (2015), Golden Rainbow (2014), You Are the Best! (2013) and School 2013 (2012 - 2013).
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?