Overview: The day of Cal's funeral arrives, and when details emerge of how his brother spent his final moments, a troubled Ethan turns to drink. Meanwhile, a school trip to France comes to an abrupt end when a scuffle on board the coach causes it to crash. As a result, the ED is inundated with teenage patients, including Sean, whose unusual vitamin tablets ring alarm-bells for the staff, and Sky, whose mother is a long-term advocate of alternative medicine, and is not happy about her daughter receiving an X-ray scan