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. A stoic 70-year-old man who fell out of a tree with a chainsaw worries Ben and Georgia.

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. Hannah consoles a student after a high jump disaster.