Doesn't this simply refer to Terry's misadventure in a whorehouse, the one we learn about in the next episode?
But before Abby and Ray realize as much, they get to take a trip to a
whorehouse! Terry claims he was framed inside — drugged, overcharged,
and a hooker stole his mother’s wedding ring. They have to get it
back. Abby and Ray go in and pretend to want a ménage a trois for
their anniversary. They get Terry’s escort, pick the Dominatrix
package, and then get really rough. Ray pushes down on the girl’s ball
gag, forcing her to give up the location of the ring. Abby even gets
involved, threatening to use depilatory to take off all of the
hooker’s hair, before she tells them the ring is in the Midol. It’s a
decent scene, but goes on a bit too long before making its point,
which is to give Abby doubts about Terry’s fidelity, and by extension,
Ray’s.
His presence there would likely cause troubles when it comes to his marriage:
The detour also casts a pall over their anniversary trip, which is
intensified when Terry asks Maureen to marry him in front of Ray and
Abby. Terry may claim he didn’t visit an escort for sex the night
before and that he was just framed, but Abby doubts his story, and she
doesn’t like that Terry’s marriage is starting off on that note. It
also reminds her of Ray’s regular infidelity. She’s conflicted because
she knows something that Maureen does not, but she can’t tell her. She
also might be annoyed that Terry is stealing some of their
anniversary-dinner thunder. And she thinks she might have a fever.
Uh-oh.