Lewis (2007)

S05E04 The Gift of Promise

In the wake of a brutal murder of a prominent businesswoman, the investigation reveals a potential blackmail scheme that spirals out of control. As Detective Lewis and Hathaway delve deeper, they uncover a long-buried secret that has fueled the recent killings. With the body count increasing, the duo must unravel this decades-old mystery to put an end to the current wave of violence and find justice for the victims.