This is episode 54 of 79 of Betrayed for Debt. Play it below, then continue straight into the next episode — the whole season is free and needs no account.
The closing stretch of the season, where the arc pays off.
Song Mingzhe's company goes bankrupt, leaving him deep in debt to loan sharks. In a desperate bid to repay the debts, he ends up selling his fiancée, Zhou Qing, to the mafia as a mistress.