The House Guest: A completely unputdownable psychological thriller with a shocking twist

I let her into my home. And now she's destroying my life...

I open the creaking oak front door of my beautiful country house to see a stranger on my doorstep. The woman is stunning with glossy red hair and flawless make up. 'Can I help you?' I ask.

That was my first mistake.

Alexis tells me she is a distant relative and shows me a DNA match on her phone. She has no family and would love to get to know us. My husband Hugh invites her in to join our dinner party. As we drink wine, she opens up a...