Carole and Aviva's explosive fight at Aviva's housewarming spills out into the party, shocking all in attendance. Kristen gets pressure from her husband and Heather to run in a brutally physical mud run. Will she make it to the finish line with her body -- and marriage -- still intact?

A rare honor is bestowed upon Carole at the Coney Island Mermaid Parade, which leads to Carole, Kristen, Sonja, LuAnn and Heather cavorting around the boardwalk dressed as sea-going drag queens. Meanwhile, Aviva and Reid head Upstate to see if Aviva can face her biggest fear -- the very machine that took her leg when she was a child.