SPOILER

SPOILER







I just checked the raws. Things are quite confusing because we are seeing flashbacks on Jin's past in the organisation and how Brandon aka grossold fart in the rest of the comment treated him.
Jin fell in love or at least really liked some guy who worked with him under gross old fart I guess. Jin fked him but as soon as gross old fart found out he made Jin kill the guy if I understood it well. Than he literally broke Jin and made him bottoming. It was quite gross to even look at it. Also, gross old fart has prosthetic hand if it even matter.
Now we are back to present we see Matthew talking with one of Jin's man and running around the streets. He finds Jin's jacket and box of cigarettes and pills. Stops the taxi and ask him to follow some cars he saw down the street.
Meanwhile we see Jin and Matthew? in Matthew's basement, and Jin suddenly saying 'Boss'.
I'm really afraid that someone may took Jin to basement and old fart waited there knowing Jin is drugged and won't resist because he wants to break him even more. Taking him by force and dirtying the place he and Matthew shared many times. (Same as Matthew saw Jin in that girl when he was under the influence, maybe Jin now sees Matthew) especially because while with Jin Matthew's face is completely clean and in the moment he's running and searching for Jin he still has marks from beating left around his mouth and cheeks.
Of course Matthew running around and searching for him can also be flashback on how he tried to find him but at the end waited in basement but I'm quite afraid it may not be the truth.
Also the conversation before sex when Jin said you are the only one I need and Matthew? replying along the lines of That's what I wanted to hear. If you decide to to leave I won't let you' was a bit eery because Jin left old gross rapist fart at the end and what if it's really him saying this time you can't leave. Plus Matthew? calling him Cheungwoo is very unusual, while old fart always calls him like that.

Ofc it can all be from Jin's pov and his drugged, plus Matthew's face may be beaten because during the sex Jin hallucinated and saw old fart, than attacked Matthew and run away/decided to find old fart and beat his ass and now Matthew is searching for him again and calling Jin's man to inform him what has happened. (Jin's man is also beaten up, so maybe it is moment after they rescued Jin)


If that's the case and old gross fart is raping him again after all those years, I'm dropping this for good.