Married 54 years, Mike and Mina Block were the picture of if not wedded bliss then at least rock-solid stability -- or so thought their son, documentary filmmaker Doug Block. But when his mother dies unexpectedly and his father swiftly marries his former secretary, Doug suddenly realizes there was more to his parents' union than met his eye. Turning his lens on his own family, he discovers much he never knew about the people who raised him.