Only love for their son holds Kirsty and Craig Nicholson's stormy marriage together. But when a crippling disease strikes the child, Craig's adamant male pride turns to tenderness and concern, and Kirsty, drained by worry and overwork, seeks comfort in the arms of her new business partner. Only a series of near-tragic events brings Kirsty to a final, unexpected confrontation and a decision where her heart really lies.