Context

Charlie is a shy teenager without friends who had just started high school. He misses his best friend, who had committed suicide, and writes letters to an imaginary friend explaining his feelings. Not to mention, Charlie has a mental illness that haunts him from his past. Charlie then becomes friends with a senior named Patrick and his stepsister Sam and they all become best friends. Charlie's dream is to be a writer and he's also the teacher's pet of his English teacher, Mr. Anderson, who lends him books. Sam and Patrick introduce Charlie to their friends and Charlie begins to fall in love with Sam, but he does not have self-confidence to even show his feelings. Charlie becomes happier with his life and his friends, and he dates their common friend Mary Elizabeth. But when they end their relationship, Patrick asks Charlie to stay away from them for a while and soon he triggers his mental illness again. He goes to the hospital where he stays for a while and in the end he becomes friends again with everyone even though Sam and Patrick leave to college.