At eighty-seven years old, Adeline is determined to leave the comfort and complacency of her assisted living center and set out on one last adventure. She heads to the lake house, where her family spent so many summers, with the goal of living out the year there. The memories of her past seem to haunt her at every turn, unfolding in vivid detail as she recalls the people and events that shaped her life. Adeline steadily prepares for her final journey and struggles to find peace as the true strength and beauty of her heart is revealed.