Fic challenge - Driving Captain Harkness, Part One

[tanarian]

Title: DRIVING CAPTAIN HARKNESS
Characters: Jack, Ianto, Claire Sinclair-McLaren (OFC), Lister (OMC)
Pairing: Jack/Ianto
Rating: Adult for descriptions of sex acts
Spoilers: General, for series
Disclaimer: Not mine; they belong to the BBC.
Prompt: Day Seven of redismycolour
Journal: Promptly Torchwood
Summary: Jack Harkness knew Torchwood House held secrets but he didn’t realise that there was also a treasure there, as well.

“I didn’t say he was employed by Torchwood One. I said I found him at Torchwood One,” Claire corrected.