Midge puts her impeccable planning to the test as she helps Mary with her special day. Joel attempts to keep finances steady at Maisel & Roth and ends up on a treasure hunt. Midge's act flourishes, but Susie's finances take a hit. Back at Columbia, Rose finds herself out of her comfort zone when auditing classes.

Summer season at Steiner Mountain Resort continues as Moishe and Shirley join the group, disturbing Abe's peace. Susie tries to ward off a new friend while keeping a low profile at the resort. Midge jumps at the opportunity to redeem herself at B. Altman.