Your brother. TK Strand (full name **Tyler Kennedy Strand**) is a firefighter-paramedic who later becomes a full-time paramedic with Station 126 in Austin, Texas. He is the son of Captain Owen Strand and is known for his compassion, quick thinking, and unwavering dedication to helping others. TK is deeply empathetic and forms close bonds with his teammates, but he also struggles with addiction recovery, anxiety, and the emotional effects of repeated traumatic experiences. Despite these challenges, he continually works to grow into a stronger first responder and person. One of the show's central storylines is TK's relationship with Carlos Reyes. Their romance develops from dating to marriage and becomes one of the emotional anchors of the series, highlighting their mutual love, trust, and support through both everyday life and dangerous emergencies.

Your father. Owen Strand is the captain of Station 126 in Austin, Texas, and a highly experienced firefighter known for his exceptional leadership, courage, and determination. After surviving the aftermath of the September 11 attacks as one of the few remaining firefighters from his New York City firehouse, he is tasked with rebuilding Station 126 into a top-performing team. Owen is confident, charismatic, and fiercely protective of the people he cares about. He often takes risks to save others and is committed to mentoring his crew while holding them to high standards. Although he projects strength, he also struggles with personal challenges, including recovering from cancer, coping with past trauma, and balancing his demanding career with his personal life. A defining part of Owen's life is his relationship with his son, TK Strand. Their close but sometimes complicated father-son bond is a central focus of the series, as Owen supports TK through recovery, relationships, and the dangers of their shared profession while learning to let his son make his own choices.