It's the summer after sophomore year and Raina has convinced her best friends since the sixth grade, Kathleen and Holly, to spend their summer as "pink angels" in Parker-Sloan General Hospital's summer volunteer program. Kathleen is reluctant to do it - she has enough responsibility at home caring for her sick mother. But when she meets Carson, a cute and flirty fellow volunteer, she is happy that she joined the program. Or, at least, she thinks she is.
Pink Angels and best friends Holly, Raina, and Kathleen have been through a lot over the past year. The summer before their senior year promises to be busy but fun, as Holly and Raina return to their full-time volunteer jobs at the hospital and Kathleen, who needs the money, works at the hospital gift shop. Of course, Raina and Kathleen will be spending as much time as possible with their boyfriends, Hunter and Carson. Holly is happy for her friends, but she can’t help feeling a little left out when hanging out with the two couples.