Amid curfews, bombings and betrayals, Catholic teacher Cushla works nights in her family's pub. One evening, in walks handsome stranger Michael, a married Protestant barrister. And Cushla is hooked...

Cushla and Michael's secret affair deepens but is tested by betrayal, jealousy and the dangerous politics closing in around them. Davy's family face renewed threats, and Gina's drinking worsens.

Cushla and Michael fall deeper amid danger - until she discovers that he's lied to her. In a furious showdown, Michael promises honesty, but just as they commit, tragedy shatters everything.

A grieving Cushla confides in Gerry and Gina, and goes in search of the truth, leading to a shocking climax that unites the family.