The show follows Second Lieutenant William T. Rice as he navigates the challenges of being a young officer in the Marine Corps. As a platoon leader, Rice must earn the respect of his men while also dealing with the pressures of his superiors and the responsibilities of his position. Throughout the series, viewers see Rice develop as a leader and face various moral and ethical dilemmas.
The show also delves into the personal lives of the Marines stationed at Camp Pendleton, exploring themes such as friendship, love, and sacrifice. It addresses issues such as racism and the Vietnam War, providing a realistic portrayal of military life during the Cold War era.
Overall, The Lieutenant is a character-driven drama that offers a nuanced look at the lives of Marines in peacetime, highlighting the bonds that form between soldiers and the challenges they face both on and off the battlefield.