Following a violent storm, a beautiful and sassy mermaid named Aquamarine (Sara Paxton) washes ashore and into the lives of two best friends (Emma Roberts, ) who have fallen in love with a run down beach club. The girls are sadly about to be parted at summer's end. When Aquamarine falls for a local, hunky lifeguard, she enlists the girls' help to win his heart and in exchange offer to grant the girls one wish. Based on a popular book by Alice Hoffman.
