Five years after their divorce, Cecilia wakes up after accidentally sleeping with her ex-husband, Lambert. At a hospital gathering, colleagues tease the reserved 'ice queen' about her love life. Cecilia reveals she was once married, flashing back to Lambert imposing strict marital rules. She explains she broke them when 'someone more important' arrived, leading to her asking for the divorce. Now, their unexpected reunion threatens the clean break they agreed to.