Cause for Concern

When Martin Trent rings home to announce his return from an assignment as a tour guide in Venice, Susan is filled with fear, a fear based on what has happened before, and her dread of further violence. Why does Susan put up with Martin's treatment? Though neighbours suspect what is going on, Susan covers her bruises with make-up and pretends that nothing is wrong and, despite everything, she loves Martin. But what is the truth about the relationship between Susan and Martin?