A tragedy unfolds at Bondi when lifeguards are unable to locate a man last seen swimming at the southern end of the beach. Identified for a brief moment struggling to stay afloat, he disappears from view behind waves. Not having seen him go under and with no friends, family, or witnesses forthcoming, lifeguards can�t be sure anyone is actually missing - with 20,000 people still needing to be monitored, the search is called off after 45 minutes.Yet at the end of the day, when the sun sets and lifeguards pack up, a 16 year old boy approaches with information his father has been missing for 2 hours, immediately their worst fears are realised.For everyone who visits the beach, this special episode of Bondi Rescue highlights the need for all beach goers to be aware of the dangers posed by the ocean.(Summary from Ten.com.au - Permision Granted)