Set in the 1950s, 'Tomorrow may never come' follows the story of Lieutenant Simon Harrison sent to fight in Korea during the war, leaving his wife Lisa to adapt to army life. After her car breaks down and a stranger named James stops to help her, they meet again.

As her feelings for James grow, Lisa is told she is to join Simon at his new posting in Hong Kong where he is infatuated by Li-hua, a Chinese girl he met in a night club.

Will their marriage survive with Lisa still in love with James? The story follows a trail of heartbreak as Lisa risks everything in her search for happiness.