When Trip suffers a catastrophic injury, his only hope for survival is a transplant from a "mimetic simbiot" which Phlox grows from one of his exotic creatures.
Archer decides to make a fast-growing clone of Trip to help save his life, while the Enterprise is stranded in a field of nucleonic particles.
Trip is injured during an attempt to improve the warp engines. Archer allows Phlox to create a symbiote of Trip, which will only live for fifteen days and provide neural tissue needed for a vital transplant.
Sam stoops to low levels in an effort to buy his old car back.
Woody and Kelly get a pig they plan to eat for Christmas dinner, but Rebecca befriends the pig. Sam tries to get his car back.
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