Chili’s sister, Alissa Martin, died from a drug overdose.
In the television series “Chicago Fire,” the character Allison “Chili” Rafferty, who is a paramedic, has a troubled backstory involving her family. Her sister, Alissa, struggled with addiction issues throughout her life. Chili’s emotional arc in the series includes dealing with the grief and guilt surrounding her sister’s death. Alissa’s overdose is a pivotal moment for Chili, as it impacts her both personally and professionally. The loss of her sister sends Chili into a downward spiral, affecting her work performance and relationships with her colleagues at Firehouse 51. This storyline is explored in depth in Season 4, where viewers see Chili grappling with her sister’s death and its aftermath, which ultimately leads to her own departure from the show.