John Trejo

Walt investigates the murder of a gas station owner who tried to help an unstable and barefoot young woman who claimed to be in danger. He asks Henry to use his tracking skills to find her and the trail leads to an abandoned baby, a heavily guarded drilling site in another county, and evidence of a dangerous cult. The team races to find the young woman, unsure if she is a suspect or a victim, while digging deeper into the cult's mysteries. Henry's previous tracking experiences also reveal insights into Walt's past.

A deadly nest of vampires arrives in Midnight and it turns out they're old friends of Lem's (Peter Mensah) eager to reunite. Manfred (François Arnaud) suspects there's more to their arrival and joins forces with Olivia (Arielle Kebbel) to uncover the real story while Creek (Sarah Ramos) prepares for the worst. Elsewhere, Fiji (Parisa Fitz-Henley) and Bobo (Dylan Bruce) hatch a plan of their own in case the vampires are up to no good. Meanwhile, Joe (Jason Lewis) confides his suspicions about the veil to hell opening in Midnight to the Rev (Yul Vázquez).

San Antonio Memorial’s iconoclastic doctors and nurses use their instincts and combat experience to defy the odds and run the chaotic emergency room night shift.

With Topher’s (Ken Leung) life hanging in the balance, TC (Eoin Christopher Mackin) is haunted by memories of his brother’s death in Afghanistan. Jordan’s (Jill Flint) treatment of Dwayne’s killer puts her and the hospital on shaky legal ground.

A series of storms leaves Topher’s (Ken Leung) pregnant wife and their daughter stranded on a highway just as she’s going into labor. TC (Eoin Christopher Macken) squares off with Jordan’s (Jill Flint) boyfriend (guest star Scott Wolf) as he’s being courted to head up the hospital’s trauma department.