Lucifer Sneak Peek: Will Catching [Spoiler]'s Killer Be Chloe's Final Case? 

‘s perhaps very final case be the capture of a friend’s killer?

In this exclusive sneak peek from the Fox drama’s Season 3 finale (airing Monday at 8/7c), Chloe (played by Lauren German) is having trouble wrapping her head around the notion that Lieutenant Marcus Pierce (Tom Welling), her boss and blink-and-you-missed-it fiance, is behind the tragic murder of prosecutor and colleague Charlotte Richards.

she sees Pierce rallying the troops to get justice for Charlotte — and things just don’t smell right. Press play above to see what Chloe does with this new hunch.

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Elsewhere in the episode, titled “A Devil of My Word,” Lucifer has an epiphany, Maze decides to mend a broken friendship and “Chloe finally sees the truth.” And viewers should be prepared to be left hanging, seeing as Fox cancelled the series on Friday.

“We created a season finale with a huge cliffhanger so that there was no way Fox could cancel us,” co-showrunner Joe Henderson wrote on Twitter. “Instead, we’re going to frustrate the hell out of you fans. I’m so sorry for that.”

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