A Routine Case Gets Complicated: First Look Images & Sneak Peek From Castle’s “Under Fire”

Castle fans, we’ve got some first look images from the show’s Jan. 6 return episode to share with you.

The aptly titled “Under Fire” sees Castle (Nathan Fillion) and Beckett (Stana Katic) investigating the discovery of a corpse in a building fire.

However when it is revealed that the victim was actually shot to death, they realize they are on the trail of a serial arsonist turned murderer.

Meanwhile, Ryan’s wife, Jenny, goes into labor, but , we are told, disaster threatens to ruin the joyous moment. What sort of a disaster? Check out the sneak peek below to see just how much trouble Ryan and Esposito are in.

Catch Castle’s “Under fire” Monday January 6 (10:01-11:00 p.m., ET) on ABC.