Our protagonist has the ability/curse to revisit his/her lives throughout history/future events in order to get home. They have a love interest maybe a spouse and child, brothers and sisters mum and dad waiting for them on their return.

Job
Family
Age
what are they looking for
how did they get into this position
Hadron Collider
is there a Religious reason for travelling
is there a Scientific reason for travelling
is there a Religious/scientific reason for travelling
Quint
Gunn