Agent Lam (Tony Leung) sets out to track a pair of plates used to make fake American dollars. When he discovers the plates, they are conned out of him by enigmatic US Embassy workers Owen (Richie Ren) and JJ (Shu Qi). With the trail now leading to Korea, Lam sets off in hot pursuit. There, amidst the dangerous and glamorous urban landscape of Seoul, Lam finds himself confronting an underworld crime boss known as the Polar Bear, head of the biggest counterfeiting organisation in Asia.

Cha Moo Hyuk is a man who was adopted by an Australian family but treated cruelly and then abandoned at a young age. By chance, he meets Song Eun Chae, a fashion coordinator dedicated to her employer, singer Choi Yune. Their meeting will have implications for the rest of Cha Moo Hyuk's life as a devastating turn of events leads him to delve into his past, and ultimately find happiness.

Can women and men stay just as friends? Both Choi Sua and Seo Dou are married, but not to each other. The relationship between the two is interesting. They are definitely not a couple. They are not friends, either. Yet, they are involved in each other's life.