After the death of her beloved grandmother, Sarah Williams, an 18-year-old aspiring writer and recent high school graduate, goes to her grandma's cottage on Pine Lake. Sarah spent many happy childhood years in their cozy cabin nestled in the ancient pine trees, but she is plagued by her lifelong crush on Scott Roberts, her summer neighbour. They have a long history of summers together. Tired of her unrequited love, Sarah bravely pursues the gorgeous Swiss exchange student who is staying with the Roberts family for the summer.

Sarah's summer begins to unravel when her family is rocked by a scandalous secret. Before the dust begins to settle, an unexpected tragedy sends Sarah into a tailspin. In her despair, she pushes everyone she loves away, even Scott. In order to find the path to healing and love, Sarah must rely on her grandmother's lessons from the past.