Everyone in San Antonio remembers the Alamo, but how many remember the Chili Queens? Back in the day, these spicy senoritas sold their lip-smacking chili in plazas all around the city. Now, Maxie and her half-sister, Sylvia, are dressing up as Chili Queens to raise money for charity. But someone's not feeling too charitable toward a local troubadour who is murdered at the fundraiser. When Nick Falcone, head of Chili Showdown security, becomes a suspect, it's up to Maxie to turn up the heat on the killer.