A gas tanker explodes on a Seattle highway, causing multiple injuries -- including paramedic Matthew; Meredith and Jo help a frantic mother (Sarah Chalke) whose child is suffering from a mysterious illness; and Owen bonds with a young boy whose parents are in critical condition. Meanwhile true colors are revealed when Alex is forced to work with Jo's boyfriend on an ailing patient.moreless
Nancy pursues her relationship with Matt, but Elliot makes a concerted effort to win her back.
Salami sprains a knee during a pickup basketball game, and his doctor prescribes amphetamines, which he unwittingly shares with the team.
Mack Wade, a "can't-miss" basketball prospect, transfers to Carver to finish out high school. Wade has tons of scholarship offers from colleges, both academic and athletic. However, when Wade starts having troubles in the classroom, Coach Reeves realizes Mack has been passed through because of his basketball potential, even though he's a functional illiterate.moreless
Hayward's cousin dies from a lethal dose of heroin, and Reeves must stop him from seeking revenge.