Lewis

Season 5, Episode 4

Episode Title: The Gift of Promise

Air Date: 2011-04-24

Overview:

When a local businesswoman is bludgeoned to death, it appears to be a blackmail plot gone wrong. As the body count rises, Lewis and Hathaway realize there is a decades-old secret at the heart of the case, which they must uncover to bring the present-day murders to a halt.