Sydney Harbour Force

A heavy vessel is navigated through the shallowest parts of Sydney Harbour; urgent maintenance work is done on top of the Sydney Opera House.

Rookie fisheries officer Molly hunts deadly bull sharks within the harbor; a father and son dive team race to replace shark safety nets.

Fisheries officers go undercover to catch illegal poachers; police officers take to the water to stop illicit drugs getting into the wrong hands.

Boating safety officers attempt to prevent a high-speed accident; a rescue team is dispatched to save five people involved in a boat crash.

Boat safety officers must contain unruly crowds during the biggest celebration of the year; a helicopter crew scour the ocean for a missing surfer.

An underwater construction team must complete a pier replacement before a thunderstorm rolls in; an officer looks into a sinking vessel.