What starts as another ordinary day at the office ends in the death of a Goldie a much loved rat.

The surviving Rats swear revenge for their fallen comrade!

A former lover of Alex's becomes a suspect in a murder investigation and, after Helen Blakemore is forced to fire during an armed robbery, she finds her career on the line as Internal Affairs investigate.

Alex deals with the consequences of sleeping with Matthew Grierson, as the protest against the Marina development continues. Blakemore's career is in jeopardy when she is investigated by Internal Affairs.

A drug importing deal goes horribly wrong when a small time crim tries to implicate a notorious crime identity; and, a young woman appears claiming to be Christey's daughter.

A water police operation on a container wharf results in a death, leaving each of the Rats to deal with their culpability and guilt.