social security question...

What happens if one re-marries and they are collecting their husband’s social security check on a monthly basis? Are there any circumstances under which one can continue to collect this dough, or it it always kaput?

First google hit

Is the 1st spouse deceased, or still alive?
The relevant regs are at 20 CFR §§ 404.332, 404.336, 404.337.

Spouse has passed away.

Who are “they”?