Emily and Ariel meet in the lounge and become fast friends, gossiping about Max and Ariel's almost kiss and what Ariel should do about the situation. Emily is the one that goes for help when Max collapses, which causes Will to become a little less anxious about his daughter. Max's father catches Ariel and Max kissing and isn't happy about it, but has a change of heart when he sees how worried Ariel is about his son. Leanne gives Will some advice that leads to him tentatively allowing his ex back into Emily's life.
Mario is avoiding the hospital and riding along with Ethan and Rox, who are both daydreaming about each other. The trio gets called out to a boating accident and the men encounter patients who remind them of their own situations. Mario struggles to help a victim's sister deal with his death because he's avoiding the pain of his own father's death, and Ethan projects his issues with his father onto another victim's son, upset that he isn't more supportive of his father. Rox calls him out on this in a gentle way, and after the son almost dies from uncontrollable seizures, Ethan manages to separate himself from the situation and help the two men find common ground. His situation with his own father remains unresolved.
Leanne clashes with Will over calling DCFS when the team is unable to reach the mother of two of their patients. Leanne reluctantly gets the authorities involved but shows compassion for the single mother struggling with gambling addiction. Both kids pull through their ordeals alright, and Leanne works out a deal with their caseworker to allow the mother to retain custody if she enters treatment.
Diego and Noa treat a patient from an assisted living community for gonorrhea. Noa is surprised that the man has more than one partner, and is shocked when the women that brought him in agree to "share" him.
Guthrie is disappointed in Angus' dismissive attitude during a surgical consult and calls for another doctor when the woman ultimately does need surgery. Angus tries to tell him that he's just acting like Campbell and becoming more assertive, but Guthrie calls him on his crap and tells him that he needs to find his own path.