Set in a teahouse in Myeong-dong, Seoul right after the end of the Korean War, The 12th Suspect follows the suffocating psychological showdown that takes place between a detective and the 11 suspects who find themselves caught up in a murder case.
Se-hee is the most cold-blooded money-lender there is. She takes back her money from those who have borrowed it in the most evil of ways; she seduces a man for money and leaves him and his family in ashes. If someone has a better collateral than the money borrowed, she finds all means to stop that person from returning her the money and making it hers. There are two men next to her. In-ho is her money-line and business background and Yeon-woo is a regular guy who is adored by Se-hee. However, her right-hand man Min-yeong takes them away from her and she realizes everything in the world has a cost...
