Rookie Lifeguard Blake faces his first big physical test when he takes part in an underwater training race. The lifeguard team run a relay carrying weights five hundred metres underwater with Blake on one team and Brooke, the first fulltime female lifeguard, on the other. Being a former Iron Woman, Brooke seems much more at home in the water than the rookie from Penrith.A grand mother is frantic when her two grand daughters go missing in the water on a busy day at Bondi. And the fun and festivity of Christmas Day is put on hold as two drowning swimmers are plucked from a rip.The rite of passage continues for Reidy - having proved himself last year he faces the final hurdle that will lift him to top level lifeguard status...big surf. All eyes are on him as he paddles into some of the biggest waves of summer.(Summary from Ten.com.au - Permission granted)