Alex Lange

Mario joins Rox and Willis on the scene of a boat crash; Leanne works to save a brother and sister who drank boiling water through a straw as part of a challenge; Max's father tells Leanne to keep Ariel away from his son.

Max is brought to Angels Memorial with breathing difficulty; Willis decides to get to the bottom of what happened to his brother's unit.

Willis and Rox arrive at a road-rage accident that has caused multiple serious injuries; Elliot doubts his ability as a doctor when he's sued for his role in the death of the SWAT officer involved in the drug bust-turned-shootout.

Jesse is in denial when his brother arrives at Angels Memorial in bad shape after being pinned down in a warehouse collapse; further tests reveal he has advanced congestive heart failure; Willis opens up to Rox about his brother's death.