Murder a Cappella,

In San Antonio, the Sweet Adelines International Barbershop competition starts out with a bang. Actually, two bangs as two women of a quartet singing on an outdoor stage in front of the Alamo are shot and killed. Tina, a member of the Fort Worth police department, is there, singing with the Fort Worth Flair chorus. The members of the ill-fated quartet are also members of the Flair. Tina sees two of her friends from the Flair gunned down and she vows to find the killer. Fortunately she knows...