Marty and Courtney bring baby Daphne home from the hospital and Calvin is surprised to learn that Marty plans to take the paternity leave Dave offered in the employee handbook for the Fuse Box. Also, Tina will do anything to earn Daphne's love.

As Marty and Courtney struggle to get their newborn to sleep, the entire Butler family suffers along with them. While Calvin prefers to let the new parents figure it out, Tina insists on jumping in to help with Baby Daphne any way she can. When searching for their old baby swing, Dave finds an old list he made of cool things to do before age 40, which sends him spiraling as he realizes he hasn't accomplished any of them.

Dave gathers everyone for a lengthy ballot-palooza party to discuss the merits of every candidate and prop on each of their election ballots; Gemma is determined to run a tight ship as their local precinct captain when polls open at Walcott Academy.

The Butlers and Johnsons receive shocking news about their neighbor that changes their outlook on life.

Marty and Courtney prepare for Daphne's christening ; Malcolm is dating someone new and Tina is delighted to meet her.

Tina's newly single father visits. Meanwhile, Dave and Gemma try to curb their spending so they can afford to send Grover to a private high school.

Tina discovers her father has age-related impairments, making it crucial to reunite him with his wife.

Marty prepares to head back to work but isn't emotionally prepared to send Daphne to daycare; Gemma notices an issue with the grade Grover is receiving in his Spanish class.

The new neighbors who moved into Miss Kim's old house are keeping the Butlers and Johnsons up all night. Meanwhile, Marty is stunned to learn that Courtney plans to go on a date.

The Johnsons and Butlers are curious about their new neighbors' lifestyle and their interest raises some surprising questions. Also, Marty feels pressure to enroll Daphne in the best preschool, and Malcolm feels the blues.