Cass' plan to marry Bela so he can co-own the late Charlie's house hits another snag on Sunday night's Fair City on RTÉ One. 

"I said I'd do this - only if nobody found out!" whispers Bela. 

"It'll stay between you, me and our two most trusted pals," replies Cass.

"And who are they?" asks Bela.

Fans can find out what happens next on Sunday on RTÉ One at 8:30pm.

Fair City airs on RTÉ One on Sundays and Tuesdays to Thursdays.

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Catch up on Fair City on the RTÉ Player.