When non-league St Peter's Celtic are drawn to play titans Shamrock Rovers in the first round of the FAI Cup, assistant manager Fran Costello hopes his team will pull off one of the greatest shocks in football history. But it isn't long before the shit really hits the Fran…

A priest wins the lottery, a lawyer serves the wealthy, and a young criminal schemes - their destinies unexpectedly connected by a single 20 euro note making its way through their lives.