When Bernie, an English teacher in her thirties, is diagnosed with bipolar disorder, it completely upends her world and attaches a stigma. A strong but insecure woman who has a passion for horses, she does her best to deal with the illness, relying on her husband, Tony, for support. Even so, life events spiral out of control, and living with the disorder puts her in denial and a drug-induced haze as she deals with the consequences of medication.