Watch Online Free HD Solarmovies. Headrush is a crime comedy about two disillusioned youths, struggling through a haze of cannabis, who hope to solve all their problems by smuggling a consignement of drugs for a local gangster. It's set in the present day in Dublin, Ireland against the backdrop of the end of the Celtic Tiger: the bursting of the bubble of this economy boom that's supposed to have done wonders for us all.