Trixie's Big Red Jealousy

Sequel to Trixie's New Big Red Life; highly recommend you read the prequel first. Trixie's life has been pretty good in Ponyville, new friends, stunt off competitions with Rainbow Dash, a relationship with the big red strong work stallion. Things are looking up; but when Big Macintosh leaves the farm with a mysterious mare, Trixie vows to get to the bottom of it.