Owen Strand's son who is dealing with serious personal troubles while his father takes on the new command.
Deep romantic commitment tested by wedding preparations, family secrets, and external pressures.
Romantic partners and professional allies navigating family expansion.
Colleagues experiencing a dramatic rescue followed by a strained professional relationship.
Tension arises when T.K. directly confronts Owen about his hidden cancer diagnosis.
Commander and veteran firefighter coordinating emergency responses during catastrophic events.
Trusted partners coordinating rescue missions and adapting to new workplace dynamics.
Team members who rely on each other during dangerous field operations.
Professional allies supporting each other through personal and station crises.
Trusted friends and colleagues supporting each other through major life milestones and station challenges.
Siblings supporting each other through major life transitions and family emergencies.
Friendship providing emotional support after a personal breakup.
Firefighters who coordinate complex rescues and support each other through traumatic calls.
Team members balancing personal crises with collective emergency response duties.
Explore the full interactive character relationship map of 9-1-1: Lone Star