New info on the return episode of ABC's crime drama Castle has surfaced on the web, as it appears that Ryan (Seamus Dever) and Esposito (Jon Huertas) may be trapped inside a burning factory amid an arson investigation in its upcoming episode, Under Fire.

In the latest sneak peek footage, Beckett (Stana Katic) requests that Ryan and Esposito scope out a factory to see if someone shady has been witnessed meandering around it.

Meanwhile, Beckett can be seen querying an individual who says he assists fire enthusiasts. To top it off, the apparent suspect had posted an image on his website, and it's associated with an arson homicide case.

Beckett and Castle (Nathan Fillion) soon come to the realization that it's the same burning building that Ryan and Esposito entered to conduct an investigation.

Castle Set To Face A Fair Share Of Controversy?

The video teaser also shows a team of firemen informing Beckett and her crime novelist fiance that he can't send one of his guys inside the up in flames building unless they're able to minimize the fire.

In a previous spoiler, Dever had indicated to TV Guide on Dec. 16 that Ryan's life is clearly at severe risk and "he may not live to see the baby at all."

More On Ryan's Potential Death Here

ABC's Castle will make its return for the second half of season 6 on Monday, Jan. 6 at 10 p.m. EDT. Stay tuned for more of the latest details on the popular TV series. The promo video for Under Fire can be viewed below.

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Castle, ABC, Television