Title: Theories of Relativity
Author/Artist: PookaSeraph
Crossover Fandom: SG:A (and Psych of course)
Rating: PG
Spoilers (if any): None
Pairings: McKay/Sheppard and Shawn/Lassiter
Notes: I wrote this not knowing about the challenge, but of course now I'll share it.
Summary: McKay and Sheppard, on vacation, run into John's cousin, our favorite Fake-Psychic-Detective.
Theories of Relativity