Across a 12-hour shift, we follow the unsung heroes - the call takers, who are the first point of call in an emergency and can often make the difference between life and death.
Young call taker Antionette starts her shift at ESTA 000's ambulance call centre with a desperate call from a woman whose husband has just collapsed in the front yard and is now unconscious.
Call taker Luke starts his shift at ESTA 000's ambulance call centre with a call from a frantic mother, who has tripped and dropped her young baby.
Police call centre operater Joel starts his shift in Melbourne with a panicked caller reporting two girls being attacked in a public park by eight males.
Louise starts her night shift at Brisbane Ambulance's operations centre with a caller reporting that a man has appeared at his doorstep, having been stabbed in the chest by a samurai sword.
Dispatcher Sharon gets a call from a distressed daughter to say that her mother has gone missing after threatening to never come back. Alarm bells were raised when she failed to pick up her toddler.
