911 Dispatch Trainee Matt Reinke is almost through the training program at CVD, but before he graduates, he must prove his ability to successfully navigate the night shift, the callers, and his fellow dispatchers.

Supervisor Charline Polk leans on her 16 years of experience to handle crisis after crisis, but when she answers the phone to an open line and screaming in the background, she is faced with a situation that chills her the bone.

The team comes together to support Donna Majoros when she’s faced with a call that brings a past trauma into light. When Essence takes a break, a carjacking goes from bad to worse. Melinda caps off another night at dispatch with a cake with a twist!

Abby navigates being a new mom in a new supervisor; as she oversees the room, her skills are tested when a welfare check spirals into a pursuit; when reports of a juvenile with gunshot wounds come in, Abby faces a mother's worst nightmare.

As Dispatch Week winds down, Essence keeps her eye on the prize; Charline and Melanie help a caller track down a cat burglar; dispatcher Jennifer Barber struggles to get a caller to start CPR before it's too late, earning herself a lifesaver pin.

When the dispatchers discover the last day of Police Week falls on Friday the 13th, some embrace the strange, while others struggle to find the humor through a shift of bizarre calls involving snakes, surfers and an unexpected seizure.

The dispatchers brace for non-stop 911 calls as Memorial Day weekend ends with chaos; while the team handles a household shooting and a pursuit that becomes a standoff, supervisor Charline notices one of her own hasn't shown up and fears the worst.

With only 24 hours to go before Memorial Day finally ends, Charline and the team's determination is put to the ultimate test after days of life-and-death emergencies; it all comes to a head when an officer chasing a suspect goes silent.

With July 4th just around the corner, the dispatchers brace for nonstop complaints and hope for the best. When a block party breaks out in a fight, the dispatchers scramble to get the officers the details they need before it turns deadly.

It's rookie Savannah's first time dispatching July fourth. While she leans on her team's years of experience, there’s no telling what's to come. When a drunk driver takes off on Savannah's officers, she must come to grips with a tragic outcome.