During the investigation of the gang shootout, the officers are questioned and presented with evidence which suggests that Ross was killed by friendly fire; Carlos learns that Vangie is dead and that he might be the father of the baby her sister leav... (more)es at the firehouse; on the first anniversary of Bobby's death, Kim quarrels with Jimmy over her visitation with Joey and confronts a female gang during a call; and Doc is visited by the father of a former patient whose debilitating injury may have been caused by Doc's error during treatment.

Amy Hargreaves, Anika Noni Rose, Jack Poggi, Leslie Hendrix, Mark Zeisler, Matt Myers, Nicole Leach, Paul Borghese, Richard Ziman