A suspicious House fire, an Amber alert during a carjacking and Fatal car crash caused by texting while driving introduce the members of LAPD Downtown, Station 77 and Trauma One.

44 min .

The hunt for the shooter begins yielding unexpected results. Station 77 deal with a chemical fire, a heart attack on a bus and a scaffold rescue.

44 min .

Stacey's abusive father appears out of nowhere. Sgt Mandell gets involved in an elder abuse situation and station 77 rescue a trapped hiker with a broken leg, attend a multiple vehicle freeway smash and rescue a young boy out of a drain.

44 min .

A sniper is targeting Paramedics. Rescue 77 must still respond to 911 calls despite the additional risk.

44 min .

The sniper situation continues but for rescue 77 it has to be business as usual.

44 min .

A serial arsonist has chosen LA as his playing field stretching both station 77 and LAPD to the limit.

44 min .

A car crash in the canyon starts a brush fire that soon becomes a real threat.

44 min .

An infectious passenger on an incoming flight starts a search for others who might be spreading a highly infectious disease around Los Angeles.

44 min .

A bank robbery downtown goes seriously wrong leaving one of the robbers and 2 of the hostages injured.

44 min .

A port worker hears banging on a storage container and calls out Rescue 77 and Engine 77 to break in. Immigrants from the far east have been left to die in squalid conditions.

44 min .

A school hiking trip goes seriously wrong leaving the children isolated with an injured teacher. Can the rescue services find them in time?

44 min .

A gang lord brings his mercenary gang from Las Vegas to reclaim his territory in Los Angeles with murderous results.

44 min .

As the war continues, Trauma One are hard pressed to keep up with the casualties and face a war of their own.

44 min .