Kate hires help to launch her new endeavour, while hiding her health problems from Nathan. Anne attempts to permanently make things right with Lionel, and Frankie hosts her first family dinner in her new home. Ian's meeting with producers is interrupted by an emergency.
Kate has a health scare that challenges her new career and family plans. Anne and Lionel uncover truths about their marriage, and Frankie gets back to work.
Morning fireworks explode when Kate informs Nathan that she accepted the big promotion, which will take her to Montreal for three months. Kate strikes a deal with Sarah her new nanny and older sister. Meanwhile, Anne compensates for her husband's financial troubles by scheduling in as many clients as possible, and unexpectedly places herself in a dangerous situation. Frankie is revisited by postpartum depression, and Jenny secretly seeks Val's lactation expertise when her new nipple piercing interferes with her breastfeeding.
Kate's in the doghouse with Nathan – and promises to finally find a new nanny in order to make amends. But when Kate can't find the time, she enlists Eleanor's help who pulls in a ringer of her choosing. In bittersweet news, Kate is offered the promotion she and Mo have been competing for, but keeps it a secret from Nathan. Frankie convinces Giselle to join her in therapy with Anne, and they connect in the unlikeliest of ways. Jenny, eager for a night of debauchery, jumps at the chance to help organize a last-minute bachelorette party, inviting Kate, Frankie, and Anne. Their night leaves them all somewhat bewildered and Jenny forever changed.
Kate joins her team at Gaze on a Saturday to work on a pitch, promising Nathan she'll be home in time for family dinner with their parents. When the camaraderie and joking get out of hand, it's up to Kate to rein things in. With her family balance in jeopardy, she rushes to leave the office. On her way out she learns there's been a decision on the Montreal job, and can think of no better counsel on the matter than her own dad. Anne struggles to find a point of connection with her daughter Alice, and Jenny is faced with disconcerting truths about her life and relationship when Ian asks for her help with his Kickstarter project.
When Kate is shamed – both in Mommy and Me and at work – for liking submissive animated porn, she's left wondering exactly the same thing as those she confided in: what's wrong with her? At Tech-cellent! Jenny ups her game in attracting Marvin, but is far from prepared when he takes the bait. And Frankie makes a breakthrough in her disconnection issues with Giselle thanks to an unlikely source.
Kate is faced with a veritable “Sophie's choice” when her mother Eleanor pressures Kate to put down her longtime pet Olly in favour of protecting Charlie. Meanwhile, a therapy session with Anne leads Frankie to attempt to re-invigorate her marriage, and Anne on the home front finds "Mean Nanny's" friendly rapport with Alice not only annoying, but also surprisingly enviable.
Eleanor quickly takes over babysitting duties running Kate's household and Charlie's schedule her way. Now that Kate's hired her, can she actually fire her own mother? Meanwhile, in an attempt to shut down her daughter's wild nature, Anne hires a “mean nanny” who can keep Alice in line, but also threatens to keep Anne in line too. And when Jenny's husband Ian surprises her at work, Jenny's flustered reaction leads Ian to wondering… why does Jenny suddenly love work so much?
Kate has difficulty letting go and embracing a softer side both at work and when she entrusts her dramatic mother with nanny duties. But Kate must call upon her “mama bear” instincts, when she is forced to help Frankie out of a dangerous situation. Meanwhile, Anne tries tough love with her wild child daughter, and Jenny attempts to attract the interest of her new manager, but fails — confusing him, and sending her further down a reckless road.
Kate tries to juggle it all: motherhood, work, exercise, baby classes, date night… and packs it in to the point of nearly jeopardizing a performance review at work. Luckily for Kate her reputation precedes her – and she's one of two candidates being considered for a promotion. Can Kate continue to pursue her career to the highest level? Meanwhile, Anne tries to reign in her sexually explicit nine-year-old daughter. And Jenny reluctantly returns to work where she reconnects with an old friend: her sex drive.
Kate is itching to return to work after her maternity leave, but has deep misgivings about leaving her baby. With Kate in the midst of an identity crisis, can she still be the mother she wants to be while maintaining her competitive edge in the boys club that is her workplace? Meanwhile, Anne receives unwelcome news, which leaves her grappling with a life-changing decision. And Frankie tries – and fails - to keep her postpartum depression from affecting her work.
Mark's sketch show gets its big break the same night as Fox's mom's wedding. Mary organizes it, and Fox finds the courage to give a speech. Mike Sr. confronts Pop over a health concern.
Fox volunteers Paul's house for a chaotic party, while Mark struggles to keep order. Mike Jr., Dick, and Amanda drive the Party Wagon, and Mary juggles tasks for her internship.
When school is cancelled, Mark spends the day with Pop touring St. John's. Meanwhile, Mary enters the Miss Mall pageant, and Dick crashes Mike Jr.'s dinner with Amanda's mom.
Mark joins the Peace A Chord concert but takes the spotlight. The Fox family struggles with Susanne's engagement. Mary seeks support while Ritche's struggles to earn his father's approval.
Mark is stunned a friend dies and the school mourns a classmate few remember. Meanwhile, Mary takes a course but is mistaken for the instructor. Mike Sr and Pop take an emotional train ride.
Mark invites Fox to a party with his grown-up theatre troupe where he frustrates her by acting like an adult. Dick is upset to find Mike Jr. dating his daughter.
Mark discovers “Santa” has come early when he finds his brand-new gaming system.
Mark takes directing the school play too seriously and finds himself without a cast.
Mark has a near-death experience and he's left questioning life, death, and the afterlife. Is there a god? Has he chosen the right one? And most importantly, does this change how Fox feels about him?