虽然新冠肺炎让全世界的弱势群体雪上加霜，但社会各阶层的无名英雄们携手力挽狂澜，为更加光明的未来而奋斗。
未婚夫达也（张国荣）在香港死于一场交通意外后，瞳（常盘贵子）以为自此失去幸福，生活质量开始大幅滑坡。为了兑现曾与达也在香港许下的承诺，她勉强收拾心情只身来到伤心城。同瞳一样，香港警察家宝（张国荣）也有一段伤心往事，他曾因工作狂热导致女友无法忍受冷落自杀身亡。女友死后，家宝选择做了卧底，想以更加狂热刺激的工作来麻醉和折磨自己。 瞳遇到家宝后，因为家宝与达也长得一模一样，疑惑达也还在，内心又起美丽的憧憬，两个因爱受伤的人擦出烂漫火花。
"Alone" follows a writer seeking peace and solitude in the countryside in an attempt to recover from tragedy and finish her book. However, as the welcoming country house turns into a living hell, she soon realizes that her inner demons are not the worst of her problems.
