在这部无炎的爱片中,肺部肿瘤专科医生关斯嘉医术高明，长得漂亮有气质，追求者众，她却都不为所动。原来她有过一段刻骨铭心的爱情。男朋友汤心洋也是个医生，一次意外死在异乡，她从此寄情工作，把对男朋友的思念与爱深埋在心底。斯嘉表面上虽然平静，心中的悲伤还是不减，除了照顾心洋母亲及患有自闭症的弟弟心海外，就全情投入医务工作。斯嘉与哥哥斯文同住。关斯文是个保健用品促销经理，高大威猛，却非常怕输怕死，与前妻离婚后，带着儿子与妹妹关斯嘉住在一起，有一个结识两年的导游女朋友杨美娜。杨美娜欣赏关斯文的体贴与爱心，但是受不了他的过度罗嗦与怕输性格，经常因此争吵，是一对欢喜冤家……
This SARS-inspired drama, filmed in Singapore, tells of the bravery and selfless spirit of healthcare workers in the medical sector in the fight against the spread of the SARS virus during its outbreak in Singapore in March-April 2003. Fann Wong stars as a selfless female doctor who ends up getting infected herself because of her devotion to her work.
因爱化蝶成茧（4）。
