After Ben declines Darlene's proposal, she starts to ponder why she tends to be so negative in life, prompting her to start a journey of self-discovery, which leads to Pastor Phil.
Part of Becky's recovery program mandates she make amends with people she has lied to over the years, leading her to meet up again with a former high school friend; Darlene visits with Pastor Phil; Louise continues planning her wedding.
It's Dan and Louise's wedding day, but it's a far-from-perfect walk down the aisle, especially when a weather report forecasts that a tornado is headed for Lanford creating chaos and surprises.
The Conner home is decked out for Halloween, despite the leak in the roof that forces Dan and Louise to cancel their honeymoon; Becky surprises the newlyweds and takes them on a virtual adventure around the world.
Darlene worries about Mark making friends at his new school; Mark turns to Ben for personal advice; Becky finds herself thriving in college and starts thinking about her future plans.
When Jackie devises an offbeat plan of how to serve the customers at The Lunch Box, it's anything but smooth service; Dan begins to sell some furniture to make room for his new bride and her things.
As Louise starts to move into the Conner home, Dan decides to sell the furniture set he bought for Roseanne when they were first married; he soon finds parting with the furniture harder than he thought it would be.
Darlene brings Nick to the hardware store, where they run into Ben, who invites Nick to join him at The Lunch Box to watch a Bears game; Dan tries to spruce up the bedroom while Louise is out on the road; Jackie meets Logan's mom.
Mark returns to public school and finds it hard to fit in; Darlene isn't happy when she finds out what Mark's doing to make extra cash for college; Becky finds herself in an interesting situation with one of her college professors.
Darlene falls in love with a house she's looking at, but when the realtor shares she has a better chance of getting the house if she's part of a couple, she convinces Ben to pretend to be her partner.
When Becky outs her relationship with Professor Davis, it's his erratic behavior that sends Becky down a path to reevaluate their relationship; Dan and Darlene check in on Chuck, only to learn heartbreaking news about his family.
Darlene searches for a home that she and Becky can afford; after an attempt to boost business at The Lunch Box goes awry, Jackie finds herself apologizing to Ben and rethinking her future running the place.
Dan enlists the help of a few friends for the funeral-home remodel; Louise points out that Dan's generosity with his time benefits everyone but her; Robin and Darlene take a career risk that might not pay off the way they expect.
The Conners gear up for a megawedding; Jackie and Neville, Darlene and Ben, and Harris and Aldo are planning for a shared big day, but along the way they discover that some of the couples may not be on the same page.