Stillman, a heartbroken physics student, builds a time machine when his girlfriend breaks up with him. Going back in time, he attempts to save their relationship by fixing every mistake he made—while dragging his best friend along in the process.

Claire’s life as a nurse in a busy hospital is complicated by a supervisor who is intent on making her miserable with tedious and extra tasks. Claire’s only relief is the patients she treats, and even that is not always a picnic. On a rare night off, she attends a dance performance and gets trapped in an elevator with a charming man. There is an instant connection between them, but as they are “rescued” from the elevator, they are pulled away from each other before they can exchange names and numbers.

When a doctor volunteers abroad, she discovers that her ex-fiancé's cute twin is also there. Can she love him for himself and not see him as her ex?