Mary Elizabeth Mastrantonio

Following the exit of Captain Daniel Ross at the beginning of Season 9, Detective Zoe Callas and Detective Serena Stevens step in to join Detective Zack Nichols for the series' penultimate Ninth Year. This series focuses on the criminal justice system from the criminal's point of view.

The FBI places mobster Bobby "Bats" Batton and his family in its witness protection program.

When a nuclear submarine mysteriously sinks, the Navy commandeers the crew of a civilian deep sea oil rig to help in the rescue operation. This perilous mission becomes a wondrous odyssey into the unknown as forces from the ocean's deepest region begin to make contact with the divers.