The case of two high school students, one dead and the other missing, leads the team into the world of streetcar racing.
Allison has been dreaming continually of a girl trapped inside of a room ablaze with fire, and thinks it may be linked to a series of crimes relating to fire; Allison considers the future of her career and Devalos thinks about running for Mayor.
Arwin's mother moves out and the twins feel sorry for him. They invite him to dinner but afterwards he won't go home. Zack and Cody give his home a makeover to make it more attractive.
Luke and Lorelai share a sweet moment; Christopher worries that Lorelai is not fully committed to their marriage; Luke and Christopher have an ugly confrontation.