In Too Deep with the Lemon Buttercream

Rita, Amy, Rachel, and Dee are taste-testing wedding cakes at the flower shop after closing. Cal walks in from the utility closet where she's been developing photographs. It's revealed that Rachel and Dee are getting married. While Cal is struggling to figure out how to react, Rita asks her to help Dee find a suit for the wedding. Cal agrees despite clearly being hurt and furious with Dee, Rachel, and Amy.