The Missing Guest by Diana Wilkinson

What happens when the safety of your home is no longer safe?
Every Friday night during lockdown, six friends meet onscreen to take part in a quiz.
But when it's Barton Hinton's turn to host the event, he introduces a set of personal questions that clearly aren't random and which set off a fatal chain of events.
When the police start to ask questions, the friends agree to hide the truth.
Is it possible that one of the six guests killed a fellow member?
Everyone has their secrets.
Some are worth dying for.
Some are worth killing for...
Previously published as The Six Guests