Min Young Min goes to Namhae to see and check the horse deal. The team successfully pull off their plan and fool Young Min. Meanwhile, Ki Ho asks Tae Joon to find the person who attacked Lieutenant Park at a protest. The team looks for clues to solve the case, and they figure out that a powerful group related to the police is behind the case. 

The team stops commissioner's scheme and solves he case. A mysterious man takes photos of the team members. Meanwhile, Na Byul finds out that her master who took her in is staying in a nursing home because of dementia. As they visit the nursing home, the team finds out that the nursing home is full of corruption and abuse.