Dearbhla warns Fergal about Steo in Sunday's Fair City on RTÉ One and the RTÉ Player.
On Sunday, Dearbhla overhears Steo snapping at Fergal and feels she has to say something.
"I'm not trying to get at you," she tells Fergal, "but maybe he's not your mate. He's using you."
Fans can watch what happens next on Sunday on RTÉ One and the RTÉ Player at 8:30pm.
Fair City airs on RTÉ One and the RTÉ Player on Sundays, Tuesdays, Thursdays, and Fridays.
