Tadhg and Séamus take the law into their own hands when they discover crooked Billy is out of Garda custody! Tadhg is convinced that Billy knows where his murderous cousin O’Dowd is and threatens Billy with a kitchen knife! Séamus worries they have gone too far but the more he protests, the angrier Tadhg gets! Will the Gardaí have another murder investigation on their hands once Tadhg is through with Billy?