Sean and Eric are just two bumbling screenwriters drafting the "next big action flick", utterly oblivious to the insanity that awaits when the government intercepts their script, believing it to be a veritable terrorist plot.

Twentysomething Alan (Gleeson) is down on his luck. Stood up at the altar and recently fired from his banking job, he finds himself working with his mother as a part-time tourist advisor at Dublin Airport. It's there he comes face...