Hannah knows every second counts. Sally and Olivia fear a young boy has a head injury. Aaron and Laura help a young footballer who's smashed her face, and the school dance is two weeks away!

Daniel rushes to a woman having a life-threatening allergic reaction. Sam and Chris struggle to help a partygoer after an accident in the nightclub district.

Bill rushes to a woman whose heart is racing out of control. While Laura gives a cyclist the all-clear, Aaron happily rides the man's pushbike home.

Olivia and Sally become medical detectives as they examine a woman having potential stroke. The patient is going downhill fast and could lash out at the very people trying to save him.

Dan is in a race against time treating a woman who feels like her heart is leaping out her chest. Laura and Aaron confront a nightmare situation after a young driver crashes into a tree.

A young Dad suddenly suffers frightening seizures while driving his wife and baby. Aaron and Laura treat a serial daredevil with serious injuries after a crash on his dirt bike and Chris and Sam play "word of the day".

Aaron is ready for anything as he resets a netballer's shoulder, but is he prepared for the sportswoman's banter? Chris teams up with Laura to help an elderly Parkinson's patient with a infection that could turn septic.

A confronting case for Nhi and Carlos as they are called to a woman running in front of traffic. Dan helps a star footballer who's busted his leg at training and new dad, Bill races to a baby in trouble.

A terrified patient with a failing heart has Aaron and Laura on high alert. Chris and Sam meet their oldest ever patient. 104-year-old Nelly has terrible face injuries after a fall.

Every second counts as Bill battles to save a woman with catastrophic head injuries after she fell four metres. Laura and Aaron rush to a mum found unconscious in her car.

A sudden collapse shocks Olivia and Sally as their patient suddenly appears to be having a heart attack. Carlos and Nhi fear for their safety as a volatile woman lashes out in the back of the ambulance.

A baby in a hurry could arrive before Bill gets the pregnant mother to hospital. Carlos crashes a birthday party after the guest of honour collapses in front of her terrified family.