In this article, the various facets of one of the most common yet misdiagnosed personality disorder, Borderline Personality Disorder, have been presented. It entails its brief etiology, clinical symptoms, and specifically elaborates on its two basic schema modes i.e. (i) abandoned and abused child mode and (ii) angry & impulsive child mode. These modes are heavily addressed in terms of cognitive, affective and behavioral tendencies found in the patients, and explained through the usage of clinical terminologies. It also analyses the process of working with BPD patients using Schema Therapy by the Psychotherapists. Furthermore, the article is an attempt to bring into the focus the personal and professional challenges faced by Mental Health professionals who deal with clinical BPD. To conclude, the paper is a psychoanalytic investigation of the basic modes, in individuals with the Borderline Personality Disorder, that remain at the core.