“Stitch” tells the tale of parents mourning the death of their little girl. In their darkest moments, they seek solace from their closest friends, who suggest a weekend ritual in the remote desert to help them shed their emotional burdens. However, the inexperienced ceremony spirals out of control, unleashing cosmic powers that expose a malevolent force. This entity inflicts each individual with a series of horrific, ancient surgical scars. As these wounds tear through both flesh and relationships, a struggle for survival begins, compelling the couples to confront themes of loss, betrayal, love, and hope.