A heated debate amongst beachgoers and private homeowners emerges on the Santa Rosa Beach shoreline in Florida. In rural Montana, Seth takes issue with a gate placed by new neighbor Josh, who insists he's within his legal rights to do so.

In suburban Indiana, Darrell's hard-earned retirement bliss is thrown into disarray when Trever starts raising livestock on his grandmother's property. In Philadelphia, Jean's penchant for taking in dozens of stray cats encroaches on Marice's family life.

In Florida, former friends Melissa and Victoria dispute the rightful ownership of a small patch of grass between their West Palm Beach homes. In Palm Bay, Johnny and Andy's own grass-related feud leads to accusations of stalking.

Nashville neighbors Joanne and Steven's friendship ruptures beyond repair. In San Antonio, Jeff obsesses over Alexa's 8-foot concrete wall.

An annual Halloween decoration competition in New Jersey leads to growing resentment between Otis and Nelson. In Simi Valley, California, Linda and Ruby's long-standing fence debacle takes a legal turn.

When his choice of exercise apparel draws the scrutiny of his neighbors, life-long San Diego resident Danny embarks on a journey to find a more like-minded community in Pasco County, Florida.