This film tells the story of Charlie St. Cloud, a young man who promises to play catch with his younger brother Sam every day. In a tragic accident, Sam dies but Charlie maintains a connection with his spirit. Though Charlie grieves the loss of his brother, he eventually falls in love with a woman named Tess. Charlie must decide whether to fully embrace his new relationship or hold onto the bond with his deceased brother. The film explores themes of grief, loss, and finding the courage to keep living after tragedy through Charlie's supernatural bond with Sam and his burgeoning romance with Tess.