Boden is forced to take time away and his temporary replacement quickly falls out of favour with members of Firehouse 51. Meanwhile, Lieutenant Severide must deal with a most unwelcome addition to his squad.
When the girls take a bartending class in order to add cocktails to their dessert bar menu, Caroline must think quickly when she has to take the class exam solo after Max gets chicken pox. Also, Sophie creates a creepy lookalike video monitor doll.
Jerry is disturbed by his date's 'man hands.' Kramer starts working in an office. George gains access to an exclusive club for models by using a photograph of his 'dead fiancée.' Elaine's new friends are exact opposites of Jerry, George and Kramer.
When Alan is called to meet with the school principal over a picture Jake drew of a large-breasted schoolmate, he calls Charlie to watch over Jake. When Charlie doesn't respond, Alan accuses him of 'not being there for him,' and Charlie relents.