Miss Parker and Jarod are safe, hiding out from the Centre in the wilderness of Wyoming. If they don't take the fight to the Centre soon, however, the Centre will bring the fight to them. Assumes you have read The Substitute, The Endowment Effect and Two Birds, Westwards.
On the way westward, the travelling party end up at a small airport in Wisconsin. Now it's Miss Parker's turn to project all her childhood trauma on a rando underdog, à la Jarod. This fic assumes that you've read the two previous stories in the series, The Substitute and The Endowment Effect.
When Mr Lyle gets an underhanded head start on chasing a lead, Miss Parker is forced to make a deal with Jarod. A sort-of case fic, with some flexible moving parts. Post-Carthis.