Liam falls for Fergal's goading in tonight's Fair City on RTÉ One and the RTÉ Player.
He punches Fergal in front of the financial backer that Liam is trying to get on board for his latest project.
Fans can find out what happens next 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.
