Selma discovers a secret buried deep in Elisa's past that could unlock the search for Lucia.

Hope arrives for Elisa in the form of a letter, but is her husband Fred telling her everything?

Rebecca claims to be Lucia's real mother as Selma makes startling revelations about Elisa's past.

Elisa lets her daughter, Lucia, stay overnight at a new friend's home. The next morning, she's gone.

Long-held secrets are finally revealed as Elisa embarks on a race against time to save Lucia.