In the grip of grief following the death of his young son, his marriage on the rocks and nearing bankruptcy, Parker reluctantly returns to work as a private investigator. Embarking on an unusual assignment to observe a woman from an abandoned apartment, Parker witnesses bizarre happenings surrounding her, unaware that the derelict building that he surveys her from has birthed a dark presence which slowly threatens to consume him.

When a detective is called in to investigate the roadside execution of his partner, he discovers at the crime scene a data card from a video camera. The card contains footage shot by two runaway teenagers who are making a documentary about the drug related death of a sibling. The detective retraces the teen's journey and soon begins to uncover a trail of the dead that leads all the way back to police headquarters.

A working class Irish family is caught up in a zombie invasion of Dublin, Ireland. When their son, Billy, becomes a zombie the family chooses to take care of him in the home much to the chagrin of the neighbors and the local crime boss. Meanwhile, they've invited an American documentarian to film their situation and the film crew is caught up in the mayhem. Will the family prove that blood is thicker than water or will their love lead to their eventual doom? One thing is clear, for the zombies in Ireland, the famine is definitely over.