Dr. Gemma Foster, a talented and respected doctor in the small town of Parminster, seems to have it all - a successful career, a loving husband, and a beautiful home. However, her seemingly perfect life takes a dark turn when she begins to suspect her husband of being unfaithful. As Gemma delves deeper into the secrets and lies surrounding her marriage, she finds herself caught in a web of betrayal, deceit, and heartbreak. Will she be able to uncover the truth and salvage her shattered relationship, or will the consequences of her investigation tear her world apart? "Doctor Foster" is a gripping drama that explores the complexities of love, trust, and revenge in a way that will keep viewers on the edge of their seats.