Lee Manning is found dead in Montreal, sending his wife's world into a tailspin.
Despite Emer Byrne's suspicion of Sarah, both women press for answers; Emer thinks Gumbiner-Fischer is hiding something; Sarah wants to know who is responsible for her husband's death.
Sarah makes an unexpected discovery.
Armed with her new-found knowledge, Sarah attempts to blackmail Gumbiner-Fischer; Emer risks her career in pursuit of the truth; by doing so, both unwittingly set in process a chain of events that will only end in tragedy.
Sarah Manning comes to realize that she knows nothing about her husbands past.