In 1920s Ireland young doctor Damien O'Donovan prepares to depart for a new job in a London hospital. As he says his goodbyes at a friend's farm, British Black and Tans arrive, and a young man is killed. Damien joins his brother Teddy in the Irish Republican Army, but political events are soon set in motion that tear the brothers apart.

Marcy, a worker in the reelection campaign of bumbling Senator John McGlory, is sent to Ireland on a quest to find the Irish ancestry of Sen. McGlory, to help him win the Irish vote. But when Marcy arrives in the small village of Ballinagra, she finds herself in the middle of a matchmaking festival, and the local matchmaker is determined to pair her off with one of the local bachelors.

Agnes MacDonnell, a strong and self-confident Englishwoman, owns a large estate on an island off the west coast of Ireland. When she begins a passionate but dangerous affair with her new estate manager, Agnes wages a desperate struggle to dominate this charismatic but destructive man.

Lives change for members of an Irish family after a meteor crashes in their backyard. The kids believe that it was sent down to them by their dead parents, but the government hauls the rock away and sends it to the local university.

Belfast 1972: The politically naive Bernie is trying to bring up a normal family in less than normal surroundings. Her best friend is accidentally shot dead by the IRA, and her neighbours are constantly raided by the army. In this climate of fear she stands up and condemns the murders. Criticising both factions, her call for a ceasefire is interpreted as an attack against the IRA, and as her peace movement takes momentum, she and her family are placed in the frontline.

In 1920s Ireland, an elderly couple reside over a tired country estate. Living with them are their high-spirited niece, their Oxford student nephew, and married house guests, who are trying to cover up that they are presently homeless. The niece enjoys romantic frolics with a soldier and a hidden guerrilla fighter. All of the principals are thrown into turmoil when one more guest arrives with considerable wit and unwanted advice.

"Before I Sleep" is one man's odyssey through Dublin city. It is a crowded hectic film, unmistakably Dublin, yet with one constant character - John Harte, a recently unemployed middle class man in a state of quiet anxiety.