Charlie St. Cloud () is an ordinary young, he and his family live together. But Charlie is not the only son, he had a little more than his 3-year-old brother Sam (). The two brothers are so determined, almost inseparable. The two of them often contact baseball together, and Charlie also promised that his younger brother will stay with him to contact baseball until he enters college and leaves the family.
However, there are unforeseen circumstances, and people have misfortunes and blessings. After a serious car accident, Charlie recovered his life, but his brother died in the accident. At the funeral, Charlie held the baseball and glove used by him and his brother in grief. He couldn't bear the suffocating atmosphere, so he ran away from the funeral. After leaving the funeral, Charlie ran to a small forest, where he saw his "brother"—the ghost of the younger brother that only Charlie could see and only appeared here. Sam reminded Charlie of the agreement between them about practicing baseball. And Charlie also said that he will abide by this agreement and will come to practice baseball with him until he is admitted to college.
Day by day, Charlie and his brother practice baseball every day. But at this moment, a beautiful girl Tess (played by Amanda Catherine Crew ) appeared . Love developed quickly between Tess and Charlie. However, at this time, Charlie found himself in a dilemma of choice: between promise and love, between ghost and real person, whom Charlie would choose
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