From Goodreads:

Terence Strange and Christopher More had been lovers for many years, but at last Terence could take no more of the mess alcoholism was making of their lives. Where could he find counsel? Surely not in Judith and Gerald, whose once-happy marriage was crumbling, nor in Dominic Perrugio and William More, Christopher's father, whose doomed relationship seemed a portent of Terence's future.

All their lives were bound together, but Terence had to disentangle himself from the web of hatred and find a way free to love