PS, I Love You is a deeply touching love story by Cecelia Ahern. The story revolves around Holly and her childhood sweetheart, Gerry, who are so in tune with each other that they could finish one another's sentences. Their life seems perfect until Gerry's untimely death leaves Holly heartbroken. However, Gerry prepares for his passing by leaving Holly a series of notes, one for each month following his death, each ending with 'PS, I Love You.' As Holly navigates her grief with the help of these notes, Gerry continues to guide her, showing her how to live and embrace life even in his absence. Through this journey, Holly learns the importance of moving forward and finding happiness again with the support of her friends and family.