Alicia's relationship with her boyfriend comes under the microscope in the second year of her weight-loss journey; now in her fourth year, Pauline must beg her way back onto the program after quitting when her last weigh-in didn't go so well.

In order to keep pace with her daughter Charly's weight loss, Charity must do something she's never done: find a way to go it alone; try as she might, Teretha finds one too many obstacles in the way of continuing with Dr Nowzaradan's program.