Jason and the SEAL team are sent to intercept the sale of nuclear weapons, but the mission goes sideways when they must make the treacherous journey back to base with nukes that have unsecured fuel rods. Also, Ray is sidelined with a shoulder injury, and Jason and Alana are shocked by their kids' reactions when the topic of their reunion is brought up.
When Walter is accidentally launched into space in a rocket, he hallucinates about Paige as his oxygen runs low, and Team Scorpion works feverishly to find a way to bring him home before he suffocates.
