Arriving at a crime scene, Chase and August find a member of the Bulldog Crips gang shot to death. Chase is surprised to find a note containing rap lyrics pinned to his sleeve, which leads them to a rival gang member named Cage. After a daring chase, Cage is apprehended and interrogated by the detectives. Cage accuses A.K., a famous rap star, of the murder. Kicking in A.K.'s door, Chase and August square off with the musician and his manager, Frank Millan. But the detectives soon learn that nothing is what it seems, and the real killer is closer than they think. Meanwhile, Jodi's parents are in town.