The Women Offenders Self Harm Intervention Pilot II (WORSHIP II) study was conducted in three female prisons in England and piloted a treatment intervention for self-harm. WORSHIP II specifically aimed to reduce thoughts and actions of self-harm and suicide risk, through an evidence-based intervention Psychodynamic Interpersonal Therapy (PIT), which is also known as the conversational model. This paper provides an outline of this pilot evaluation of using the PIT approach in prison settings. Therapeutic obstacles associated with implementing WORSHIP II in a correctional environment are discussed, together with successful strategies to overcome these difficulties. Finally, examination of some of the quantitative outcomes suggests that WORSHIP II is a promising approach for this difficult area.