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

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

Cushla and Michael's secret affair deepens but dangerous politics are closing in. Meanwhile, Davy's troubles grow.

Against the backdrop of the Troubles, young Catholic teacher Cushla falls for a married Protestant barrister.