Suicide Letters centers around eighteen year old Karreine Mitchell who is grieving the loss of her older brother Sam. Karreine finds herself in therapy, where she feels forced to talk about that horrific night in which Sam took his life. One day she is given a box of letters from Sam's best friend T.K. Sadler, addressed to different people including herself. Sam details his life fighting in Iraq & Pakistan as he confronts his past growing up in their unstable household. The more Karreine reads the letters the more she learns the truth about that fateful night. Sam's letters shatters everyone's world, but could they bring closure?