Charlie has just joined the boys in blue at Bondi. After a year of caring for an ill family member, she can go in with what she's always wanted to do, life guarding. Charlie meets the boys but one catches her eye. The one nicknamed Whippet keeps an eye on her and guides her through her new job. The two begin to get closer but Charlie refuses to let down her walls for anyone. All the boys can tell that there's something up with Charlie yet they can't be sure why. Charlie's hiding a dark secret and an even darker past, will she block everyone out or will Whippet be able to break down her walls and teach her to love again?