Each summer, Jenn and her husband Greg return to Deia, on Mallorca's dramatic west coast. This year the arrival of Emma, Jenn's stepdaughter, and her new boyfriend Nathan threatens to upset their equilibrium. Beautiful and reckless, Nathan stirs something unexpected in Jenn. As she is increasingly seduced by Nathan's youth and the promise of passion, the line between desire and obsession begins to blur. What follows is a highly-charged liaison that puts lives and relationships in jeopardy. For Jenn, after this summer, nothing can ever be the same.