"Doctor Foster" is a British television drama series that first aired in 2015. The show follows the life of Dr. Gemma Foster, a successful general practitioner, who discovers her husband's infidelity. This revelation leads her on a tumultuous journey of betrayal, revenge, and self-discovery, as she navigates the complexities of her personal and professional life. The series, created by Mike Bartlett, received critical acclaim for its writing and performances, particularly that of Suranne Jones, who plays the lead role. It explores themes of trust, love, and the impact of deception on relationships, making it a gripping watch for audiences.