At a turning point in his life, Thomas Lebey, a famous writer, decides to return to the location of his first love. That was in 1960 in a small coastal resort town in the south of England. Sheila was 17 and he was not yet 20.

As adults, best friends Julien and Sophie continue the odd game they started as children -- a fearless competition to outdo one another with daring and outrageous stunts. While they often act out to relieve one another's pain, their game might be a way to avoid the fact that they are truly meant for one another.