The assignment involves analyzing a 65-year-old man's situation, who has faced problems at work due to failing to meet targets and experiencing negative impacts from Brexit and financial concerns. It applies Erikson's psychosocial theory of development and identifies psychosis as the individual's mental disorder. The assignment also highlights the importance of psychological principles in understanding relationships in healthcare and providing effective treatment. It emphasizes the need for accurate health care settings and tailored treatment plans to address specific mental health needs.