Emmet is floored when he comes face-to-face with someone from his past on Fair City, get a sneak peek of the drama here.
Coming up on Tuesday's episode from Carrigstown, Eoghan convinces Emmet to look at the boiler for Charlotte.
Emmet is shaken to his core to find Tessa Holloway in Charlotte's apartment.
"Just go", she says when they meet in the hallway of the flat.
"Oh my god, Tessa?", he says, obviously shaken to his core.
"Emmet, it's been a while", she responds.
Find out what happens next on RTÉ One on Tuesday at 8pm.
Fair City airs on RTÉ One Sundays and Tuesdays to Thursdays.
Catch up on Fair City on the RTÉ Player.