THERE'S NO HARM IN ONE DANCE ON AN ALL-NEW EPISODE OF 'BIG SKY,' TUESDAY, DEC. 8

"Unfinished Business" - Unsatisfied with the investigation now that the girls' disappearance has made headlines, Cassie and Jenny take things into their own hands, tapping into their individual strengths to make headway in the case. Meanwhile, Legarski attempts to keep cool, but Ronald takes a different approach to protecting himself. Still captive, Danielle and Jerrie tend to Grace, who makes a painful decision in an attempt to save them all, on an all-new "Big Sky," TUESDAY, DEC 8 (10:00-11:01 p.m. EST), on ABC. (TV-14, DLV) Episodes can also be viewed the next day on demand and on Hulu.

"Big Sky" stars Katheryn Winnick as Jenny Hoyt, Kylie Bunbury as Cassie Dewell, Brian Geraghty as Ronald Pergman, Dedee Pfeiffer as Denise Brisbane, Natalie Alyn Lind as Danielle Sullivan, Jade Pettyjohn as Grace Sullivan, Jesse James Keitel as Jerrie Kennedy, with John Carroll Lynch as Rick Legarski and Ryan Phillippe as Cody Hoyt.

Guest starring in "Unfinished Business" is Brooke Smith as Merrilee, Gage Marsh as Justin Hoyt and Gabriel Jacob-Cross as Kai Dewell.

"Unfinished Business" was written by Annakate Chappell & Matthew Tinker and directed by Gwyneth Horder-Payton.

Based on the series of books by C.J. Box, "Big Sky" is executive produced by David E. Kelley, Ross Fineman, Matthew Gross, Paul McGuigan, C.J. Box and Gwyneth Horder-Payton, and is produced by 20th Television in association with A+E Studios. 20th Television is a part of Disney Television Studios, alongside ABC Signature and Touchstone Television.