What was with wife getting naked wanted to have sex suddenly next to child? I get they wanted to show she was beaten, maybe possibly raped, but I don't think raped woman usually wanna have sex anytime soon.

What was with him lying there like dead? He could not get up or was disgusted with her if she was really raped?

Did he really think they won't shoot him in boat again or her just didn't care anymore and wanted to commit suicide? Though not sure how it's that helpful to his daughter and wife, he could as well stay in South, the end result would be same for them losing father and husband, so why was he so stubborn to go fish?

Did he really expect they let him fish on border again? He could at least move away and fish elsewhere or find different job, this was not very realistic.

BTW the main young police character looked ridiculous, like some nice Kpop singer face with zero acting skills and was without hesitation horrible compared to any other actor in movie, didn't believe him one line he delivered.