Geumseong survived a dangerous journey to South Korea, but his mother is stuck in a Chinese prison and may be forcibly repatriated.
More than 50,000 North Koreans will be sent to work in Russia, as Moscow's war in Ukraine drains labour pools.
The Wonsan Kalma resort was opened in a grand ceremony last month by North Korea's leader, Kim Jong Un
Mr Kim and his family pull off a seemingly impossible feat and gives new insights into life there.
Americans arrested in the communist state have included tourists, a teacher and a Christian missionary.
The BBC has spent months talking to three North Koreans about their lives behind the sealed border.
Rare interviews with ordinary people inside the secretive state reveal chronic food shortages and starvation.
Reunited in Seoul after a decade apart, Songmi asks her mother why she left her behind in the north.
A defector details what happened inside a prison for those who tried to escape.