To change the world's opinion of him, Erich Blunt takes a lie detector test to prove his innocence. Meanwhile, Hildy and Terry discover that a past suspect's alibi does not check out. They must get to the bottom of this before it unravels their case against Blunt.

After a key witness in the Cindy Strauss murder case turns up dead, Terry and Hildy set out to find the truth before it undermines the prosecution's case. Meanwhile, Erich Blunt's famed attorney, Warren Daniels, sees this as an opportunity to prove his client's innocence.