Jay agrees to sub in on Cam’s bowling team for the finals but Cam was not fully upfront about it being an all gay league, which puts Jay in a precarious position. Phil and Claire have a surprisingly good time with unlikely dinner companions, their neighbors Ronnie and Amber, and Gloria and Mitch agree to go clubbing with Haley to prove they’re still young and fun but they didn’t anticipate the pre-party portion of the night.
Cam is enraged when he receives an online video showing someone has been desecrating his beloved Fizbo costume, which sets him on a quest to restore Fizbo’s good name. Meanwhile, Phil is in for quite the surprise when he finally meets his new soon-to-be step-brother at Frank’s bachelor party. Finally, Manny’s newest play hits a little too close to home for Gloria, Claire and Haley when he enlists them to do a read through before he submits it to a young playwright festival.
A filmmaker and fan of Jonathan's first book is interested in having him rewrite a screenplay. Later, after leaving his personalised script in a therapist's office during an ill-advised late-night tryst, Jonathan asks Ray to pose as a patient in order to retrieve it.
Severide and Stella keep an eye out for Grant; Louie has Dawson questioning her dangerous career path; Casey's relationship with Susan Weller cools down; tensions between Borrelli and Boden reach a boiling point.
Firehouse 51 respond to a dangerous structure fire that leaves one of their own in jeopardy. Borelli confronts Boden about his brother's death.