SketchSeason 12018 · 16 episodesEpisodes1Episode 1Kang Dong Soo meets Yoo Shi Hyun when she mysteriously shows up and saves his life. When he finds a sketch of a ring he recognizes in her notebook, Dong Soo goes looking for Shi Hyun.2Shi Hyun convinces Jin Young to tell her story. Will Dong Soo be able to save Ji Soo?3Shi Hyun and her team investigate the murder. Do Jin gets his next assignment.4Episode 4The team struggles to locate Dong Soo before he does something drastic.5Dong Soo agrees to help find Shi Hyun.6Episode 6Nam Sun Ho puts his plan in motion. Chief Moon agrees to join forces with Dong Soo for this case.7Episode 7Nam Sun Ho's plan does not work out the way he expected. The team has a new case.8Episode 8Dong Soo thinks he has figured out what is going on until Baek Woo Jin tells him that there is much more to it.9Episode 9The team tries to figure out how they are going to find Tae Joon's notebook, but does it hold the answers they are looking for?10Episode 10Tae Joon offers Do Jin an opportunity to meet the man in charge. Shi Hyun has to decide what she is willing to sacrifice for her brother.11Episode 11Dong Soo and Shi Hyun investigate a case from 20 years ago and race to stop Do Jin.12Episode 12Park Moon Ki asks to meet the Elder. Shi Hyun draws the funeral of someone on the team.13Episode 13Dong Soo and Shi Hyun try to find out what Yoon Sung Soo knows. Park Moon Ki demands answers.14Episode 14Dong Soo tells Young Shim his theory. Now they need to find some evidence to back it up.15Episode 15Tae Joon is determined to prevent Tae Wook from contacting the Elder. Park Moon Ki finally gets to meet the Elder.16Episode 16As more facts are exposed, Shi Joon's mission becomes more and more challenging.