Emily Taylor, a young woman, struggles with depression as her husband, Martin, returns from a four-year prison sentence for insider trading. Despite their attempts to rebuild their lives, Emily's mental health continues to spiral, leading to a suicide attempt. This event brings her into the care of Dr. Jonathan Banks, a psychiatrist who decides to prescribe a new experimental drug, Ablixa, to treat her depression after traditional medications fail to improve her condition. As she begins her treatment, Emily shows signs of improvement, but the drug soon reveals a range of side effects that drastically impact her behavior and life.

Dr. Banks, invested in Emily's wellbeing and the success of the medication, grapples with the consequences of the drug's adverse effects, which put his patient at the center of a series of disturbing events. The unfolding situation also starts to take a toll on his personal and professional life as he becomes increasingly entangled in the repercussions of the prescription choice he has made. He must navigate the complexities of the pharmaceutical industry, the expectations of his patients, and the scrutiny of the legal system, all while wrestling with his own ethical boundaries and the pursuit of the truth amidst a tangled web of deception and intrigue.