Anto turns arsonist in Thursday's Fair City on RTÉ One and the RTÉ Player.
The trailer for Thursday's episode sees Anto setting fire to the building site in a bid to solve daughter Hayley's financial woes.
As the fire takes hold, Anto grapples with the magnitude of what he has just done.
Fans can watch what happens next on Thursday on RTÉ One and the RTÉ Player at 8:30pm.
Fair City airs on RTÉ One and the RTÉ Player on Sundays, Tuesdays, and Thursdays.
