It’s a beautiful day in Hawaii. Kay Yoshinobu and Sid Chu have been invited for a day trip on the luxurious Forbes yacht. At the outset, the excursion meets all expectations. The food is wonderful, the seas are calm, the magnificent boat is obviously in competent hands. There’s an undercurrent of unease, however, centering chiefly on their hostess?the recently widowed Joanna Forbes. Two rivals for her affection hover around her. One is young, athletic Bart Cain.