"G Diaries" talks about mental health awareness in the Philippines amid the COVID-19 pandemic. It takes a deep dive into the pandemic's impact on mental health with Philippine Psychiatric Association psychiatrist Dr. Joan Mae Perez-Rifareal and Halcyon Mental Health senior psychotherapist and managing director Dr. Zenia Panahon. The program then presents the Quezon City Health Department's program aimed at helping individuals facing mental health problems and concerns. Meanwhile, several Kapamilyas share their respective stories about the mental health challenges they faced amid the global health crisis, and reveal how their families helped them during tough times. The program later discusses the things one can do when experiencing mental health issues.