每天都有24小时，到底该怎么分配才是生活的最合理的方式？张书伟（梁朝伟 饰）是才华横溢的设计师，从事广告工作，屡次被甩的他对爱情已无期待，看着同事兼好友Patrick（方中信 饰）左拥右抱地和固定女友亚芬（童爱玲 饰），暗恋他的同事亚媚（关秀媚 饰）纠缠发展，他更是不敢再爱了。但是凑巧这时候他遇到了清纯与性感兼具的影视新人徐若如（徐若瑄 饰），对方单纯而直接，张书伟一方面在抑制自己对她的感情，一方面又无法抗拒诱惑。与此同时，张书伟又与平时对立的女上司Vivian（蔡少芬 饰）日久生情。面对截然不同的两个人该如何选择，两段感情又该如何收场？ 　　关秀媚凭借本片获得台湾金马奖最佳女配角提名。Your Place or Mine! explores the difficulties of finding true love in the modern Hong Kong setting via the encounters of two advertising executives, Wai and Patrick. Wai is a faithful guy who often falls for the girl that he grooms. However he is often dumped by them once they found fame and someone better than him. Just when he was about to give up on finding true love, he met an innocent fish ball seller and a tough boss who both falls for him and left him even more undecided in love. Patrick on the other hand is a playboy who keeps a girlfriend at home while frequently has one night stands outside. Can a colleague who has crush on him since school days change his cheating ways?