After years of anticipation, Maddie and Chimney's long-awaited wedding day arrives. However, when the groom mysteriously vanishes, the 118 races against time to ensure he doesn't miss the most crucial day of his life.

Patti helps a single mother and empty nester get her groove back and tries to put a modelizer in his place.

When a real estate developer is found dead in one of his buildings, Shaw and Riley sift through a long list of suspects. Concerned for the welfare of the defendant's young daughter, Dixon and her son plead with Price and Maroun for help.