Episode 4 opens in a SecUnit factory, showing a dystopian environment where techs create parts from flesh and metal. It reveals that factory workers are indentured servants likely facing grim futures. The episode also explains that each SecUnit has a unique face to make it easier to track when one goes rogue, suggesting that SecUnits going rogue is a known issue, though the frequency and seriousness are unclear. This background adds depth to the world-building around SecUnits and their manufacture.

In 'Escape Velocity Protocol,' Murderbot is captured by another SecUnit and is partially offline and vulnerable. It becomes trapped in a loop and is on the verge of losing control due to a module takeover. Murderbot realizes it cannot stop the takeover alone and tells Dr. Mensah that they may have to kill it to prevent it from killing others. The episode ends on a dark cliffhanger with Murderbot preparing to shoot itself, highlighting its willingness to sacrifice itself to protect those it cares about despite its usual sarcastic demeanor.

The factory scene at the start of the episode provides a mix of levity and sobering reality. While the voiceover by Murderbot adds humor by praising the factory over human hospitals, the scene also reveals harsh truths about the indentured status of the workers and the grim nature of SecUnit production. This juxtaposition of humor and dystopia sets the tone for the episode, balancing comedic elements with the darker themes of control, exploitation, and autonomy.

The rogue SecUnit is central to the episode's tension. It is responsible for attacking and capturing Murderbot, leading to the latter's vulnerable state. There is speculation within the episode and among viewers about whether this rogue SecUnit is acting on behalf of the Corporation or against it, possibly as part of a plan to undermine the Corporation by making SecUnits kill people. This ambiguity adds complexity to the story and raises questions about the true nature of the conflict involving SecUnits.

Supporting characters such as Dr. Mensah, Pin-Lee, Arada, and Ratthi are deeply involved in the crisis. Dr. Mensah is present during Murderbot's vulnerable moments and is part of the difficult decision-making process when Murderbot suggests it may need to be killed to prevent further harm. Pin-Lee and Arada express concern for Ratthi's safety and reconsider their interpersonal dynamics amid the escalating danger. Their interactions underscore the emotional stakes and the bonds formed between humans and Murderbot despite the perilous situation.