Ruby believes the recent deaths are the work of a stalker and suspects her new client, Isaac; AJ insists Ruby must track down all her exes to warn them they're in danger, forcing her to confront how she's treated people in the past.

Ruby attends in-person therapy for the first time in years; when her therapist suggests she take a break from romance, it proves to be more of a challenge than anticipated.

Ruby reconnects with the "one who got away," who gives her more insight into how she is in relationships; AJ makes a discovery that changes the course of the case.