It's 1963. Five friends and one stranger gather for a cruise around the Mediterranean. Wu Yukying, a spirited socialite from Hong Kong, stumbles onto a dangerous secret involving her brother Wu Tinseng and his new companion Shan Dao. Sucked into a game of cat and mouse, she must stay one step ahead of an enemy who threatens Tinseng's happiness-but the deeper she gets, the more she realizes Tinseng might have more than one secret to hide¿