Can someone tell me what is happening here

[Shortcut]

https://www.youtube.com/watch?v=HWCGea765bE
Please. I'm confused. (inb4 obviously you are, it's korean tv)

[Ad Bot]

[the hacker]

If I could speak Korean I would tell you.

[McJobless]

I'd get my Korean friends to translate it, but they're too busy with Karaoke.