secret santa 2011 for flipflop_diva

[xyliette]

Title: Passenger's Log, The Unity Fractions
Pairing: Mark/Addison, Derek/Addison, Addison, Mark.
Rating: PG-13
Word Count: 2469.
Summary: Secret Santa 2011 for flipflop_diva who wanted no fluff. Derek's always home on Christmas.

passenger's log, the unity fractions