Two-time Caldecott Honor recipient Marla Frazee's Boss Baby is back--but this time there's a new baby sister CEO in town! Change is in the air--the Boss Baby's staff has stopped taking his direction! It seems that there is a new CEO in town; from the moment she comes home, Boss Baby's little sister is extremely loud and is demanding all sorts of corporate perks he never got. Can the Boss Baby and his staff get used to the new corporate structure?