Big Sky is back with an all-new 2-hour return Tuesday! From visionary storyteller David E. Kelley ("Big Little Lies") comes "Big Sky," a thriller created by Kelley, who will write multiple episodes and serve as showrunner in its premiere season. Catch up on the first half of the season right here and on Hulu as private detectives Cassie Dewell and Cody Hoyt join forces with his estranged wife and ex-cop, Jenny Hoyt, to search for two sisters who have been kidnapped by a truck driver on a remote highway in Montana. But when they discover that these are not the only girls who have disappeared in the area, they must race against the clock to stop the killer before another woman is taken.

SEE THE MOMENT JENNY AND CASSIE AGREE TO WORK TOGETHER IN THIS SEASON 1 HIGHLIGHT

COMING TUESDAY, APRIL 13 9|8c: "Catastrophic Thinking/All Kinds of Snakes" – Three months after Ronald's escape, Cassie and Jenny have officially partnered up to take down a fresh slew of troublemakers, but all isn't coming up roses; Ronald is still on the loose, a domestic case takes a macabre and deadly turn, and a U.S. Marshall is sticking his nose in their case files. Right as the women of Dewell & Hoyt seem to be getting used to the new normal, Jenny gets an alarming call from an old flame; leading her and Cassie headfirst into a new case, a new jurisdiction and a whole lot of new trouble. It's time to meet the Kleinsassers on the two-hour return of "Big Sky," TUESDAY, APRIL 13 (9:00-11:00 p.m. EDT), on ABC. Episodes can also be viewed the next day on demand and on Hulu.

"Catastrophic Thinking" was written by Annakate Chappell and Mathew Tinker, and directed by Gwyneth Horder-Payton. "All Kinds of Snakes" was written by Elwood Reid and Maria Stern, and directed by Gwyneth Horder-Payton.