I know her inside out. I know what she's thinking, I know what she wants. So I can't give up on her, she knows I never will.

Some friendships fizzle out. Rachel and Clara promised theirs would last forever.

They met in high school when Rachel was the shy, awkward new girl and Clara was the friend everyone wanted. Instantly, they fell under one another's spell and nothing would be the same again. Now in their late twenties Rachel has the television career, the apartment and the boyfriend, while Clara's life is spiraling further out of control. Yet despite everything, they remain inextricably bound. Then Rachel's news editor assigns her to cover a police press conference, and she is shocked when she arrives to learn that the subject is Clara, reported missing. Is it abduction, suicide or something else altogether?

Imagine discovering something about your oldest friend that forces you to question everything you've shared together. The truth is always there. But only if you choose to see it.

COLETTE MCBETH was a BBC TV Crime Reporter for ten years. She lives in West London with her husband and three young children. She attended the Faber Academy Novel Writing Course in 2011. Precious Thing is her first novel.