Won Suk finds a picture of Su Ah and a spy app in Beom Jin’s phone. Kang Je finds another path to Su Ah’s house, and he tries to find the CCTV footages around there again. So Hyun takes Byung Ho to Han Su’s hospital, and Byung Ho decides to tell So Hyun the truth. Meanwhile, Gi Hoon asks Do Jin what is his relationship with Su Ah.