Castle Finale Sneak Peek: The Bloody Truth About Hollander's Woods

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With its Season 7 finale, ABC’s freshly renewed Castle will disclose a dark secret from Rick’s past — and TVLine has a sneak peek at his startling flashback.

In the episode “Hollander’s Woods,” a woman found dead after being chased through the woods draws Castle back to a terrifying and defining event in his childhood — one which he until now has kept almost entirely to himself.

Rick’s investigation leads to obsession, as he attempts to unearth answers that have eluded him for decades. Meanwhile, Beckett faces a crossroads of her own.

Press play above — watching and listening verrry carefully — to get a taste of what event haunted young Rick and ultimately steered him on the path toward being a writer of mysteries.