Romance, hero and heroine looking for homeless woman who in a plot twist... Spoiler.

[Dana]

I am looking for a romance book i tead in 2020?
I cannot remember much of the plot, but know that hero and Heroine were looking for another woman, who is at some point found to be homeless, sitting on the street in the cold.
I believe the hero was rich.

There was a plot twist where you found out that the woman they were tracking down is actually the girlfriend who has some trauma/multiple personality disorder.

[Lobstergirl, au gratin]

Dana, you need to unprivate your account. We can't see all your threads with a private account!