Prime Video The trailer for Every Year After is here! Prime Video unveiled the new look at the upcoming series adaptation, which is based on the Carley Fortune novel "Every Summer After." What Is Every Year After about? Here's the synopsis: Told over the course of six years and one week in Barry's Bay - the quintessential lake town - Every Year After is a romantic, nostalgic story of first loves and the people and choices that mark us forever. Who stars in Every Year After? Sadie Soverall and Matt Cornett star as the couple at the center of the love story, Percy and Sam.