Joe Cartwright is dumbfounded when his friend, bank employee Wade Turner (Gregory Walcott), abruptly leaves town before his marriage to his sweetheart Sarah (Sandra Smith). Wade's abrupt exit coincides with a shortage in the bank's accounts, prompting Joe to seek out his friend and demand an explanation. But no one knows the real reason for Wade's departure: he is slowly dying of a brain tumor. Featured in the cast is a young Dabney Coleman as Clyde. Written by John Hawkins, Jonathan Knopf and B.W. Sandefur, "A Darker Shadow" originally aired on November 23, 1969. ~ Hal Erickson, Rovi