This is episode 65 of 80 of My Cold Husband Isn't Cold. 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.
On her engagement day, Liu Xu is handed over by her fiancé to Rong Yanyun. Rong Yanyun, having waited fifteen years, steps in instantly, lavishing her with love and flaunting their bond. Her fiancé tearfully begs her to come back. She flashes their marriage certificate, "Too late."