An Indecent Obsession is a 1981 novel written by Australian author Colleen McCullough.
To the battle-broken soldiers in her care, nurse Honour Langtry is a precious, adored reminder of the world before the war. Then Michael Wilson arrives under a cloud of mystery and shame to change everything. A damaged and decorated hero, a man of secrets and silent pain, soon he alone possesses Honour's selfless heart–inciting tense and volatile passions that can only lead to jealousy, violence, and death.