This essay examines the case of Lisa, a young woman struggling with mental health issues, including hallucinations, paranoia, and substance use, as presented in a video scenario. The essay identifies key issues contributing to her problematic substance use, such as trauma, fear, and lack of trust, and discusses these through the lens of trauma-informed care and practice (TICP). It explores how these issues should inform the mental health nurse's collaborative approach to support Lisa's personal recovery, emphasizing the importance of safety, transparency, and empowerment. Furthermore, the essay critically analyzes how the nurse would apply TICP principles when engaging with Lisa, highlighting the need for building trust and providing a supportive environment. The essay also identifies the psychiatrist as a crucial member of the multidisciplinary team, emphasizing their role in medical diagnosis and treatment, and the collaborative planning required for Lisa's comprehensive care.