Summary:

700 years ago, Crechemaster Kenobi and his Clan disappeared without living a trace.
700 years later, an anomaly in the Force brings them back.

Or

Obi-Wan is trying to find a place in this new century, to raise his Initiates, to find love, and why not help an eminent political figure and investigate a case of missing children on top of that ? His friends always told him he was an overachiever anyway.

Or

time travel fix-it but forward for a change