As Josh focuses on his new suspect, Larry insists on taking a lie-detector test to help prove his innocence, but the results drop a bombshell on the case and the family. Dwayne briefly becomes a hometown celebrity as the man who found an arm in the lake, and the team gets a surprising new benefactor.

With the trial now getting national attention, Josh's boss, Mr. Mankiewicz has decided to take over the case, throwing the team into turmoil. Meanwhile, when Mankiewicz suggests Larry plead insanity, Josh and Carol Anne Keane must work together to convince Larry to stand trial.