Mackenzie The Mick Molng is a brash, blue collar, two-bit hustler who has spent her entire life gaming the system and shirking any semblance of responsibility. But when her estranged sister and billionaire brother-in-law flee the country to escape federal charges, the opulent, care-free life Mickey has always envied is finally within reach… But there is one minor catch: she must assume custody of her sister's three rich, entitled, high-maintenance children.
Mickey and the kids are forced to downgrade from their temporary residence at a hotel after their financial advisor cuts them off due to excessive spending. Mickey and Sabrina refuse to accept the decision and launder up a plan to prevent anyone from stopping their stride. Meanwhile, Jimmy teaches Chip that the tricks to living in a luxurious hotel can be simple.
Mickey's relationship with Alba is tested when Greenwich divorcee Trish hits rock bottom and becomes the perfect new friend for Mickey. When Mickey sends Jimmy over to help Trish with some home repairs, she begins to question just how casual her relationship with him really is. Meanwhile, Sabrina and Ben take a shot at Chip's ego.
Mickey takes Sabrina to visit her mother in jail to gain closure, but it turns out Mickey may be the one who needs it the most. While visiting his father, Chip learns that he is in danger behind bars and enlists Jimmy for help. Meanwhile, Ben inadvertently distracts the bullies.
Mickey and Jimmy throw a Halloween party in their spooky, charred mansion but things get out of hand. Sabrina hopes to use the house party to cement her legacy, which her parents have tarnished, and Mickey teaches some pranksters a lesson.
When Mickey finds out Ben takes medication to keep him focused, she is determined to prove that he is a perfectly functioning kid without it. She and Alba take over his struggling science fair project, but become overly invested, while Jimmy helps Chip make his secret boys club cool again.
Mickey and the kids go to great grandmother Rita Pemberton's 100th birthday celebration at her huge mansion. Mickey takes advantage of Rita when she discovers that Rita believes Mickey to be an old friend, but later learns that their friendship was more than just platonic. Meanwhile, the kids' grandmother, Tippy, gives the family an unexpected surprise.
Mickey and Jimmy bring the gang back to their hometown of Warwick to celebrate the retirement of Jimmy's high school baseball number and discover how much of a big shot he was. When they meet up with old friends, Jimmy learns that Mickey may have had a hand in ruining his chances at a professional baseball career. Meanwhile, Chip and Sabrina find themselves in a pickle with some spoiled Warwick teenagers.
Sabrina's relationship with her poetry teacher has Mickey concerned, so Mickey takes matters into her own hands and humiliates the both of them in front of her peers. Meanwhile, Chip enlists Jimmy's help to improve his ranking on the 8th grade hot list.
Sabrina decides to throw a get-together with talented artists in order to impress them. After learning that Ben's new friend has a celebrity mom who loves art, Mickey decides to co-host the event in order to sway her. Meanwhile, Chip goes on a spontaneous camping trip with Howard.
Sabrina believes she's a shoe-in at Yale, but on the day of her interview, she takes a risk that may ruin her chances and jeopardize her future. Meanwhile, Alba gets a visit from her cousin and must pretend to be a maid again, so her family doesn't disown her.
Mickey and the gang take a trip to New York City and discover that Jimmy is flourishing at an investment firm. While chatting with the firm's partners, Mickey sings Jimmy's praises in hopes that they will give him a promotion. Meanwhile, Chip visits his biological father.
When chaperoning Ben's school field trip to a trash dump, Mickey and Alba discover that an unfamiliar young boy made his way on the bus back. The two work together to return the lost child but make it extremely difficult for themselves along the way. Meanwhile, Chip and Sabrina take advantage of Colonel's status as a veteran, only before it comes back to bite them.