Her Sister's Secret: A completely gripping psychological thriller full of suspense

Why would you pretend your life is a dream when you're living a nightmare?

I thought my sister was happy. I thought what we all thought: that Annie and Dom led perfect lives in a lovely cottage in a quiet village by the sea, with flowers at the front gate and an apple tree in the garden. Everyone knew them: generous, loving Dom, creative, joyful Annie.

But I never saw Annie as she sat waiting for Dom well into the night. I didn't see her smiling through her tears. I didn't know what the perfe...