Matt Reinke has learned the ins and outs of dispatching and is ready to apply for supervisor; he must help a young girl threatened with a knife and a panicked caller with a baby struggling to breathe.

It's a double whammy at dispatch when St. Patrick's Day falls on a Full Moon. Charline takes matters into her own hands when she hears a couple screaming over an open line, and the night shift tries to track down a man who reports he's been shot.

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.

Melinda Pilat is a bona fide believer in aliens and Bigfoot, thanks to her late father; leaning on his memory, she handles the horrors of a house on fire with dogs still inside and a color and distress who discovers her nephew unresponsive.

A year after dispatcher Donna Majoros took the 911 call before her mother passed, she leans on her best friend, Melinda, more than ever; Abby answers a call from an address connected to Donna, and her day goes from bad to worse.

Jessica Merkosky keeps spirits high on the dispatch floor while her shift scrambles to make sense of a reported gunshot victim in the drive-thru lane; when Jessica coaches a caller through CPR on his mother, she's shocked to learn the cause.

Shift supervisors Laura and Charline try their best to celebrate moms working on Mother's Day. When a flood of calls come in to report a horrific shooting in the open, Essence reflects on the importance of her family both in and outside of work.

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.

The pressure is on Jessica and new trainee Patrick when a panicked woman calls 911 for her unresponsive boyfriend; while Jessica gets CPR started, Patrick is on his own to dispatch the rescue squad before it's too late.

On Matt's first day as supervisor, he must navigate his new duties while leading the team that trained him just one year ago; anxieties spike when a caller learns of a possible hostage situation; reports of a house fire call for rapid action.

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.