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.

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 spectacular crash on his dirt bike and Chris and Sam play "word of the day".