Baile Atha Cliath, sa bhliain 1972. Deagoiri is ea Ruaidi agus Pancho, a rugadh is a togadh i gceantar an Phoirt Thuaidh. Ta Ruaidi ag barr an ranga, agus ta se sarmhaith ag an mata. Bua eile ar fad ata ag Pancho - suimeanna airgid a aimsiu, seachas suimeanna a dheanamh. Ta tuismitheoiri Ruaidi i mbun an Chomhair Chreidmheasa aitiuil. Bionn athair Pancho i mbun drabhlais i dtithe tabhairne na cathrach gach la pa. Ta difear la agus oiche idir saol na mbuachailli, ach is dluthchairde iad mar sin fein. La, agus e ag seachadadh nuachtan mar is gnach, siulann Ruaidi isteach san ait a ndearnadh robail. Is amhlaidh a bhris gadaithe isteach i dteach 'chailleacha an Phoirt Thoir', beirt deirfiuracha aosta. Ach d'fhag na gadaithe airgead ina ndiaidh. Ta rogha mhor le deanamh ag Ruaidi agus Pancho...

The city is Dublin, the year is 1972. Redser and Pancho are two teenagers from the North Wall. Redser is top of the class, especially good at maths. Pancho's knack is for finding money, not adding or subtracting it. Redser's parents run the local credit union. Pancho's dad runs riot in the city pubs on pay day. The boys' worlds could not be further apart. Yet the pair are the best of friends. One day, on his regular paper round, Redser stumbles upon the aftermath of a crime. Two elderly sisters, 'the East Wall witches', have been burgled. But the robbers haven't taken all the money. Redser and Pancho are about to face their biggest dilemma ever...