Robert Bailey Jr.

A science teacher and his family struggle to survive a mysterious airborne toxin that cause an outbreak of bizarre mass suicides.

Kenny joins Drew at his MMA veteran's support group and finds himself in the fight of his life. Jordan and Cain treat casualties from a hotel fire, while Shannon follows a hunch to help save a young victim. Paul's superstar sister, Dr. Bella Cummings, pays (more…)Kenny joins Drew at his MMA veteran's support group and finds himself in the fight of his life. Jordan and Cain treat casualties from a hotel fire, while Shannon follows a hunch to help save a young victim. Paul's superstar sister, Dr. Bella Cummings, pays a visit to San Antonio Memorial and provides desperately needed support during a busy shift. Meanwhile, TC finally returns home, forcing him to deal with Topher's death.

Astronauts rocket to the rescue of a space crew stranded on the Red Planet after the first manned mission to Mars in the year 2020 ends in apparent diaster.