As the Hemlock fugitives try to salvage their crash-landed ship, Ash makes her escape through an alien desert. A gangster has a deal. Common World leaders contact Ash and task her with apprehending one of their enemies, her shipmate Emma. Emma reveals that she knows Arcadia's coordinates.
When law-abiding space cop Ash Harper is convicted of a crime she did not commit, she is sentenced to exile and loaded onto prison spaceship the Hemlock. Her mother Rebecca, who is head of galactic security, is determined to prove her daughter's innocence and bring her safely home, but any hopes of a reunion are dashed when Ash's fellow convicts overthrow the guards and hijack the Hemlock.
Drifting through space without coordinates, the gang realise the Hemlock is running out of power. The solution - rob a fuel reserve. So, Ash, Verona, and Echo venture to a Common World planet in search of fuel. Rebecca discovers that her husband framed Ash.
Opinions are divided as Ash suggests a risky rescue mission on Emma's behalf. Could a poker game provide better odds?
As the crew embark on the final leg of their journey to Arcadia, a collision with an asteroid causes problems.
Tensions run high after Emma's capture and Ash finds herself alone. Meanwhile, the band make a discovery aboard the ship.
Amber examines voter suppression in America and demos the new iPhone Black.
Kimmy gives Olivia the info she needs. Mat thinks he's free until new charges come up against him and he realizes who's been after him all along.
The Conservancy's youngest polar bear gets neutered so he can safely join his fellow bears. Meanwhile, Jackie must say goodbye to the seals, polar bears and her best friend and colleague, Heather.
Federal agents try to push Lorena out of the case. Meanwhile, Olivia makes a confession that leaves Mat reeling.
Olivia is reunited with an old friend. Out of frustration, Lorena quits the force but is lured back with a promise of free rein.
When federal agents arrest Olivia, they take her home instead of to jail so that Teo, the lead inspector, can negotiate a deal. Mat runs to Marbella.
Mat enlists Zoe, a private investigator, to help him track down Olivia. Lorena tries to figure out how Mat fits into the death of the mysterious nun.
The nun's body is squirreled away by federal agents, which infuriates Lorena. Zoe tracks down Olivia's location, and she and Mat rush to find her.
While investigating the alleged suicide of a nun at the Catholic orphanage where she grew up, Lorena discovers the nun is not who she'd said she was.
At a club, Mat is dragged into a brawl and his life alters forever when he accidentally kills a man. Years later, happiness finally seems within reach.
A body in a bombed-out chapel reveals the story of life during wartime, when not everyone kept calm and carried on. Some used the cover of the blitz and the blackout to carry out murderous deeds.
Now the main man on BBC magazine show This Time, Alan is relishing his career Indian summer. However, with rumours of changes behind the scenes, he begins to wonder if his position might already be in jeopardy