LUCK OF THE IRISH Fired from yet another job, Cassidy St. John hardly expected the solution to her difficulties to come looming out of the fog on Fisherman's Wharf. However, the darkly handsome Colin Sullivan seemed the answer to any maiden's prayers. When Colin offered Cassidy a job modeling for one of his paintings, it seemed her troubles were over-- but one look at his blue eyes and Cassidy knew they were just beginning. How could she hide from the pitiless honesty of Colin's artistic vision when with every stroke of his brush he exposed her love for him?