Dr. Koski begins to line up her dominos and is poised to knock them down, and threats are coming up the pipeline from command. The crew is under a microscope and they all know it. With family members being watched and secrets threatened to be revealed, just how much more stress can the crew take before they break?

Colonel Catarina and Major River Stalzer are prepared to face trial for crimes they committed. As they enter the room their trial is set to be in, they find... someone else instead.

The crew of New Horizons must venture below the surface to get to the bottom of the nightmare they've found themselves in. OSIRIS now has their dogs sniffing around, and it's becoming harder and harder to keep their secret. What lies beneath the surface of Mars, and how will the crew handle what they discover?

With the future uncertain and tensions high, the crew of the New Horizons colony flounders to find some degree of normalcy. Tempers are flaring and it seems that their attempts to keep under the radar may not being going as well as they hoped. All eyes are turned to Mars, and danger is on the horizon.

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The crew is forced to venture down into the depths of the previous colony when they realize they are out of the serum to counteract the parasites. What will they find in the husk of the Red Horizon colony, and what horrors await?

Trigger warning: This episode contains the sound of a gunshot. Listener discretion is advised.

The wall of lies that Dr. Koski and the Callahans built around themselves has come tumbling down, and in the rubble, panic is building. With Alina getting sick and time running out, can the crew of the New Horizons colony make it to the next sunrise?

Trigger warning: This episode contains gun violence and the sounds of someone being violently attacked. Listener discretion is strongly advised.

With Parvati offline and the colony spiraling into chaos, the entire crew must work together to stay alive. Secrets are beginning to unravel, and danger is on the horizon.

Trigger warning: This episode contains the sound of a gunshot and threats of bodily harm. Listener discretion is advised.

Colonel Stalzer discovers a strange discrepancy between the reports from Laura and the Callahans, and she never could abide a mystery. With suspicions rising, she and head engineer Jack Donohoe go to see the mysterious object the Callahans failed to mention in their reports. Something isn't adding up, and the Callahans are running out of rope.

The Callahans investigate the mysterious metallic object on the Martian surface and panic starts to bubble up. What is going on, and just what aren't the Callahans and Doctor Koski telling everyone?

Life in the New Horizons colony on the surface of Mars is quiet. A small team of researchers along with ancillary security, IT, and engineers working for the private space corporation O.S.I.R.I.S. have learned to appreciate simplicity.

That is, until they start to realize they might not know the whole story. Why were they really sent there? And just what isn't O.S.I.R.I.S. telling them?