A few days before their wedding, veterinarian Jang Mun-ho (Lee Sun-kyun) and his fiancee Kang Seon-yeong (Kim Min-hee) pull over for coffee at a motorway rest stop on the way to visiting his parents in Andong, southeast of Seoul.

Mystified, Mun-ho then learns from a banker friend, Dong-woo (Kim Min-jae), that Seon-yeong had earlier applied for a bank account but had been turned down when it was discovered she had a history of personal bankruptcy dating back to 2007.

He persuades his cousin, Kim Jong-geun (Jo Sung-ha), a former police detective sacked for taking bribes, to help find her.

Examining her flat, Jong-geun finds she left no fingerprints, had no friends and claimed her mother died two years before.

[12] It topped the chart for two consecutive weeks, selling 561,666 tickets between March 16 and 18, according to KOBIS (Korean Box Office Information System).