Gar wants answers from Melanie in Sunday's Fair City on RTÉ One and the RTÉ Player.
The drama follows Melanie's announcement that she is moving in with Gar, claiming their breakup was a misunderstanding.
Later, Gar asks Melanie: "Are you using me?"
"What?" Melanie replies.
"I know you've been given your marching orders to get out of Mondo's," Gar continues. "Is that why you're moving in?"
Fans can watch what happens next on Sunday on RTÉ One and the RTÉ Player at 8:00pm.
