Both are romantic films that involved two people from different timelines. However, 'Tomorrow I Will Date With Yesterday’s You' is different in a way that things happened on each characters' modern time while on 'Moments of Love' their romance occurred on different eras,and their story had antagonists.
Jung Yeol and Na Ra fell in love with each other and got married. During their marriage, they have grown to hate each other due to their personality differences. They decide to get a divorce. A month later, their divorce will be finalized. But, on the day that they applied for a divorce, they get into a car accident. When they wake up at the hospital, they have both lost their memories and do not remember each other.