In the wake of Mateo's ICE detention, Amy steps in to help Cheyenne come into terms with the situation, while the staff feel threatened after a new robot is brought to the store by corporate.
Glenn and Marcus are fighting over Mateo's old locker, while Jonah is organizing an engagement party for Sandra.
Amy hires Dina's enemy Colleen, so Dina blackmails Garrett to ruin Colleen's life.
After the local mall is shut down, Amy and Dina are happy to receive new customers, but they soon realize that it's not as they expected.
Dina supervises Glenn's diet and fitness after having a health scare, while Jonah and Cheyenne are in charge of the store while Amy is resting.
Amy gets the store ready for Halloween to dazzle the new district manager, while Kelly gives Jonah a hand with unionization.
Jonah and Glenn team up to help Amy establish herself as a competent leader to the district manager, while Dina enlists Mateo's help with the anti-shoplifter seminar.
Amy and Jonah come up with a plan to help Mateo with his hearing, but things don't go as expected. Sandra wants Glenn to officiate her wedding with Jerry.
The staff is tasked with transporting items directly into shoppers' cars, which soon leads to much chaos.
Amy, Dina and Cheyenne set out to get the best Christmas tree, while Jonah and Sandra head to corporate for the labor contract negotiations.
Ensuing Cloud 9's acquisition, Amy tries to get a hold of to the store's new parent company, Zephra. Sandra asks Garrett and Dina to help her face Carol.
Following the death of fellow employee Myrtle, the staff are saddened by the loss, while Jonah is shocked to know that she left him money.
Amy pushes for having Mateo as her assistant, which evokes favoritism and staff competition in the store.
On Sandra and Jerry's big day, Jonah steps in to help the caterers and Dina is focused on the security, which might wreak havoc on the wedding.
Dina asks for Cheyenne's help while facing a fraudster, while Zephra adds a new cereal bar for the staff, leading Jonah to be suspicious of their motives.
After the staff start using the new Zephra app, things take an unexpected turn. Dina gets on Amy's nerves when she starts to constantly text her.
Jeff's surprising return threatens Amy's charity event, while Garrett is trying to prove his wits to Dina.
When Amy has to take her son to the store, she gets upset due to people's disapproval of her parenting, so Glenn asks Jerusha to lend a helping hand.
Carol is back to the store, and Amy has to make the other employees accept Carol again as their co-worker.
Amy goes to have lunch with Jonah and his family, leaving the staff to go wild. Dina is struggling to deal with her new boyfriend.
Mateo and Cheyenne argue on how to celebrate Cheyenne's birthday, so Cheyenne decides to ask for Bo's help. Jonah makes an important decision after learning about Amy's job offer in California.