photo source: nate
Freeze! You are all surrounded
Finally, Moon Bae shows up at Gangnam Police Station, and is interrogated by Dae Gu. But Moon Bae responds calmly and provokes Dae Gu instead.
Meanwhile, P4 discover crucial clue in Hyung Chul’s black box video, but just when they secure evidence that Moon Bae will never be able to elude, Dae Gu and Soo Sun are kidnapped by suspicious men, and they come face to face with Moon Bae there…
Dae Gu and Soo Sun, Pan Seok and P4, their final story begins.
source: sbs
English translation: tryp96.wordpress.com
Everything Lee Seung Gi 
OMO OMO OMO !!! KIDNAPPED?!!! i can’t waaaaaaaaaait looks soo intense man!!!!! please tomorrow hurry please please !! !
I heard there’s a revision on Ep 20 script. I hope its gonna be the best ending for YAAS!
omg !!! can’t wait for todays episode plzz hurry up plzzz drama cool plzzzz you are my only wayy plzzzz 😦
i’m going helter-skelter , cannot concentrate on my test plzzz hurry up :(. my mom is looking at me weirdly please drama hurry up
finally ha the time has arrived mission accomplished yahooo the series was so awesomely directed and our rookie detectives too did well nice to watch this this is the only drama i watched so punctually love youu and miss you drama. 🙂 =D ❤ ❤ love you lee seung gi looking forward to your next drama ❤ ❤ ❤