Bobby and Andy investigate a shooting that is related to the victim trying to leave a gang. Greg waits with anticipation of his dinner with Abby and her significant other. Jill and Diane investigate the death of a baby who appears to have been shaken to death by the baby-sitter. Greg and James look into a murder where they have a suspect who looks guilty despite the fact he claims to have an alibi. They try a get-tough philosophy for their interview but sometimes "TLC" is all you need to get a confession. Greg meets with Abby and her lover Kathy. Bobby and Diane go out for a movie and later Diane wants him to "show me the ring."