Woo Sung falls victim to blackmail and needs to come up with 50,000 dollars by tomorrow or risks having the CCTV footage of him entering Baek Soo Jung's studio apartment leak. However, he comes up with a plan with only 5,000 dollars in hand. Meanwhile, Yeo Joo continues to tag along with the detectives and leads them to find Soo Jung's trophy that could possibly be a murder weapon.