In 17th-century France, Father Urbain Grandier seeks to protect the city of Loudun from the corrupt establishment of Cardinal Richelieu. Hysteria occurs within the city when he is accused of witchcraft by a sexually repressed nun.
In Dublin circa 1911, John Cassidy (Rod Taylor), an impoverished idealist, whose ambitions are restricted by the demands of looking after his family, journeys through the social injustices of Dublin life, involving himself with the rowdy tramway-men strike, dawdling with prostitute Daisy Battles (Julie Christie), and seeking a better life. He falls in love with bookshop assistant Nora (Dame Maggie Smith) who encourages him toward a life of writing. Finding success at the Abbey Theatre, his unorthodox views estrange him from family, friends, and his own past.
A captain is promoted by his company from tramp steamers to their flagship passenger liner. Although he is a thoroughly competent sailor ready to take charge of such a ship, he is less prepared for the social duties his new position involves, not least the way he in which becomes the target for all the unattached women on board.
After World War II the crew of a motor gunboat join together to buy their old vessel and go into business for themselves. This may sound like a laudable scheme, but the business they choose to go into is smuggling.