The crew lands on Mars, but Hiromi is injured in the process. Terra Nova’s equipment is wearing out faster than anticipated, so they seek permission to use a Chinese drill.

It’s a moral quandary: does the crew accept possible death from this undiagnosed disease or face a possible lifetime of quarantine on Earth if they are contagious?

The crew is suffering from carbon monoxide poisoning due to a major system flaw. Rick and Antoine exit the craft to repair and replace the faulty electrical boards.