Paramedics are called to an opiate overdose, an elderly man with congestive heart failure, an engineer assaulted with bear mace and a teen stabbing victim.

Teams respond to a stroke patient, a serious G.I. Bleed, a drug-user suffering hypothermia and a man tasered by police during a foot pursuit.

Teams race to a double stabbing, an overdose, an assault on a homeless person and a crash on a busy freeway.