Sex scene with Tessa Thompson(0:35)

The series is set in New York in the 1860s. Kevin Corcoran is a tough, tough Irish cop who works in the notorious Five Corners area. In a troubled world, Corcoran strives to stay true to his moral principles as he pursues the truth about his wife's disappearance and the death of his daughter. His friendship with two compatriots—the wayward son of a wealthy industrialist and an African-American doctor who secretly help Corcoran with his work—pits him against the contrasting worlds of Fifth Avenue and the burgeoning African-American community in rural northern Manhattan. All three are united by the experience of battles in the Civil War and this links their lives forever.