The liar

The Abbotts' new lodger Luke hasn't told them much about himself, but they can't expect to know everything about a stranger who's just moved in. But Luke keeps asking about their family photos and looking through their things. Why does he want to know everything about them? And why does daughter Jen think someone is watching her? Then, suddenly, Mum Mel texts the family to say she needs a break. But Mel has never gone away alone before. And now i...