In an austere and remote girls’ boarding school, the most elite clique of girls are the illustrious members of the school’s diving team. As they compete for the attention of their glamorous teacher (Eva Green), the arrival of a beautiful Spanish girl disrupts the delicate social balance. In an attempt to put differences aside, a secret midnight party takes place that will change their lives forever.

Written for the screen by Caroline Ip and Ben Court, based on the 1999 novel by Sheila Kohler.