A series of ransomware threats leads to emergencies for the 118, including a helicopter crash at a hospital and an air traffic control tower system failure; the case of the realtor serial rapist goes to trial.
Members of the 118 attempt to rescue a wellness retreat guru after his followers turn on him; an emergency call at an upscale hair salon; Maddie contemplates returning to work, Eddie and May make decisions about their future.
The 118 races to the rescue when the call center goes up in flames; Bobby risks his life to save a trapped May and Claudette; Buck and Eddie must help an injured electrician; Chimney and his brother team up as firefighters for the first time.
After a mysterious death, Hen and Chimney put their lives in danger when they suspect that someone is playing God to make themselves look like a hero; Eddie visits Texas, where he attempts to reconcile with his father.
Maddie fears for herself and her co-workers when the call center is taken hostage.