“The Greater Good” – Castle and Beckett investigate the murder of a Wall Street trader, but the case takes a shocking turn when the they discover the victim was an undercover informant for the U.S. Attorney’s office. To complicate matters further, the U.S. attorney involved is Elizabeth Weston (guest star Salli Richardson-Whitfield, “Eureka”), Captain Gates’ estranged sister, on “Castle,” MONDAY, MARCH 24 (10:01-11:00 p.m., ET) on the ABC Television Network.
nathan-fillion.net