Two kids, Dylan and Kylie, run away from home on Christmas Day and spend a night of magic and terror on the streets of inner-city Dublin.

Nuala Ni Bhraonáin, electronics whiz, is a stylish woman about town in Dublin of 1981. She's invented the 'Reilly 9000', the world's first calculator with a square root function. Donnchadh is her flatmate and an egomaniacal Gaeilgóir poet with an unfortunate penchant for plagiarism -- and Rita, one of Nuala's workmates, makes the mistake of getting between Donnchadh and the top prize in Slógadh.

A priest stationed in Tipperary, Ireland, is eager to return to Rome. Told he cannot do so until he has raised enough money for the building of a new church, he decides to open a cinema in the local town.