When an auto carrier truck gets hijacked by a high-speed crew, Hondo encounters a ghost from his past - a violent car thief thought to be long-dead. As the brutal road warriors tear across L.A. in pursuit of a mysterious $60 million car, Hondo's old rivalry reignites, and he's forced to confront a long-held fear. Also, Gamble is thrust into a personal crisis when her brother, Leon, becomes tangled in the investigation, putting Gamble's SWAT future in jeopardy, in the first part of the two-hour series finale.