Since viewers are already keenly aware of Jimmy McGill's Breaking Bad future, Rhea Seehorn's Kim Wexler becomes a more focal figure in Better Call Saul's final season.
She and Jimmy have co-concocted a plan to disgrace Howard Hamlin and pocket big money from the Sandpiper case, but Kim is very clearly the operation's driving force.
Better Call Saul's big u-turn doesn't just represent Kim Wexler turning away from a legitimate life, but denotes a return to her earring-nabbing days as Slippin' Kimmy.