Brandon Camp (“Love Happens”) has come onboard to direct the family comedy “Relativity” for Walden Media with Brad Epstein (“Dan in Real Life”) producing.Story centers on a close-knit family that comes together for the parents’ 30th wedding anniversary only to have their adult children stumble upon the family secret — that they’re all adopted. Peter A. Craig wrote the original script, and Daniel Cohn and Jeremy Miller penned the most recent draft. Camp wrote and directed Universal’s upcoming romantic dramedy “Love Happens,” starring Jennifer Aniston and Aaron Eckhart. He also co-wrote “Dragonfly” and co-created the drama series “John Doe” for Fox. Camp is repped by UTA.