Can't Lose is a 2011 South Korean romantic comedy television series, starring Choi Ji-woo and Yoon Sang-hyun, who play two bickering, married divorce lawyers who take out their frustrations on each other in and out of the courtroom. It aired on MBC from August 24 to October 20, 2011, on Wednesdays and Thursdays at 21:55 for 18 episodes.

Choi Ji-woo is a South Korean actress. Considered one of South Korea's most beautiful women, she has received critical acclaim for her work in a wide range of melodramas, most notably Beautiful Days (2001), Winter Sonata (2002), Stairway to Heaven (2003), Air City (2007), Star's Lover (2008), The Suspicious Housekeeper (2013) and Temptation (2014), as well as the romantic comedy series Twenty Again (2015) and Woman with a Suitcase (2016).