PBS' on-and-off-the-page TV mystery ended, bringing with it a shocking twist.

Moonflowers Murdersdid not end quietly, with one last twist centered on Madeline Cain.

She must use one of the books she once helped release to solve a modern-day murder.

Madeline Cain from Moonflower Murders

This big twist came thanks to the name Madeline Cain.

This was confusing to fans as it had been written that Spencer seemingly killed himself after murdering his wife.

But if he did not kill James, then what prompted him to take his own life?

Pippa Bennett-Warner as Madeline Cain sitting in the back seat of a car with two men in front of her in Moonflower Murders

Well, that is where the Episode 6 twist ending comes in.

It turns out that, in actuality, Madeline Cain murdered Spencer.

Ryeland uses this twist to unravel the mystery of the real-life killer behind the show’s modern-day mystery.

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This led Aidan to kill Frank Parris and frame an immigrant hotel employee for the crime.

But then you see it when I kill him and then I turn around and I look evil.

And then I go back into character."

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It was such a pleasant surprise.

I was like, ‘Oh my God, Madeline!

Oh my God, Aiden!’

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And Will [Tudor] is just gorgeous as well.

But no, I didn’t guess anything.

That’s the genius of the writing as well.

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It keeps you going and then surprises you at the end.

It’s excellent crime writing.

His brain is amazing."

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I feel like she believed she was doing the absolute right thing at that moment.

you’re able to read it in many ways.

But I think she’s avenging the death of someone who I believe she’s in love with."

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Moonflower Murdersis streaming on PBS.

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