The Woman Next Door(2010)

Byung-Hoon’s (Lee Tae-Sung) girlfriend So-Hee had an affair with Byung-Hoon’s best friend Min-Cheol. During the wedding reception of So-Hee and Min-Cheol, Byung-Hoon drinks alone. Byung-Hoon thinks about Mi-Joo (Sun Woo-Sun) who is in prison for murder. Byung-Hoon and Mi-Joo shared 3 years together.