Big Sky - Season 3

It's been a few months of relative peace in Helena, but all that's about to change when Sunny Barnes and her family set up Sunny Day Excursions just outside of town. From the moment they arrive, things begin to go awry, with Cassie being called in to investigate a missing backpacker and the new sheriff in town, Beau, partnering up with Jenny to track down a murderer on the loose. A mountainous mystery begins to unravel for Cassie Dewell and Jenny Hoyt.

When disgruntled realtor Tonya calls the police on a squatter living in one of her homes, Jenny arrives only to discover a shocking connection to her past tied to the case; Cassie and Beau work to track the still-missing backpacker.

While investigating a scamming operation with Beau, Jenny discovers a connection to the crime that sends her reeling; Cassie and Denise run into a man who may lead them down a new path.

Jenny and Beau investigate the bloody murder of a woman in her own backyard; Buck grows increasingly suspicious of Sunny; Cassie and Cormac discover something unimaginable out on the trail.

Beau and Jenny chase down bank robbers who have taken Poppernak hostage; after finding backpacker Mark's corpse, Cassie investigates the possibility of murder.

Jenny and Beau are on the hunt to find the killer of a decorated veteran. Meanwhile, Cassie closes in on the Barnes family, all while getting closer with Cormac; and Tonya and Donno devise a plan for their own best interest.

When shocking new evidence surfaces from the "Bleeding Heart Murder Case," Jenny and Beau team up with Cassie and achieve a major breakthrough; Buck struggles with his moral ambiguity, and cracks begin to form in his and Sunny's marriage.

Jenny and Beau confine the campers to the campsite in an effort to unravel their lies.

Jenny and Beau investigate the mysterious death of a rookie smokejumper while Cassie picks apart Walter's story, convinced something isn't adding up. Meanwhile, Emily finds herself at Dewell and Hoyt while trying to keep busy, and Sunny and Buck work to put themselves back together after Walter's arrest, leading her to reveal her biggest secret to Cormac and testing his allegiance in the process.

Jenny and Beau investigate the untimely disappearance of a missing groom from a wedding while Cassie enlists the help of Denise and Beau's daughter Emily to unravel the lies surrounding Walter and Sunny Day Excursions. As the truth is revealed, Cassie finds herself in more danger than ever and Sunny makes an unlikely alliance to save her family. Then, a deadly attack at the diner changes everything.

When Gigi finds herself at the mercy of a twisted local family, Jenny and Cassie work to intervene, but a twisted game threatens everything; Sunny and Paige each come to a shocking realization about Buck.

Jenny, Cassie and Beau uncover the truth about the Bleeding Heart Killer, but before justice can be served, chaos breaks out; Avery's involvement with Tony's crime family escalates to a standoff; Emily and Denise are put in grave danger.

With Denise and Emily's lives on the line, Jenny and Beau are determined to bring the Bleeding Heart Killer to justice, no matter what it takes. Meanwhile, Cassie uses her connections to pin down their possible location; and Sunny makes a fiery decision that will change her family forever, but will it all be enough to save the ones they love?