This is episode 28 of 52 of After Divorce, Four Vampire Kings Chasing Me. Play it below, then continue straight into the next episode — the whole season is free and needs no account.
The middle of the season, where the conflict escalates.
To marry the man she loved, the female protagonist sealed her ancestral vampire power. With her family's help and her support, he rose to become the leader of the vampires. But behind a secret door in her own bedroom, she uncovered the hidden chamber where he'd been having affairs.