Tom's wedding plans are thrown into disarray when Grace's ex husband, Simon, arrives in town. It soon becomes apparent that Simon will use any means to come between Tom and Grace and disrupt their marriage plans. An unfortunate caricature on the wall of the police station seems to be the work of Grace's son, but turns out to reveal the darker motives of Simon. Tom finds himself up against a very devious mind as he desperately tries to keep his marriage plans on track. Soon Tom finds himself at the centre of a murder investigation when Grace's ex husband is found dead under suspicious circumstances