The team investigates a group of thieves who are able to break the laws of gravity; Walter attempts to delay the damage he has caused.
A stranger may be a threat to the true identity of the townspeople; Cora tries to reunite with Regina.
Ryan and Cate return from their honeymoon and discover major changes at the radio station; Baze hooks up with a new bartender; Lux befriends Eric, a newcomer to Portland.
Mitch and Abraham must find Jackson before General Davis and the International Animal Defense Group can catch him and prevent the team from making a cure.