YeonJin is in love with ex-gangster/fighter Moonhyuk but moonhyuk still has lingering feels for his now dead former master. After his masters death Moonhyuk worked at a fight club ran by Jungmoo which led to him being protected from the enemies he made during his time as a gangster. Meanwhile in Yeonjin’s family, he married his bestfriend for mutually beneficial reasons (his mom was her muse but she killed herself over the husbands affair). Jungmoo’s uncle... man with scar on his lip seems to have beef with Moonhyuk and wants him dead. And it seems that said uncle was also sleeping with Moonhyuk former master. This is all basically a flashback as present day Moonhyuk is being detained in prison over the death of YeonJin.
Sorry but can someone please explain to me what happened in the last 20 chapters?
I am really really confused, I would be super thankful if someone could make a short synopsis