Set in March 2017, thirteen years after the events of the original film, the story catches up with a world that has carried the same warmth and chaos forward while time has changed its rhythm. In a cozy home, Juliet is watching television with her husband Peter when the doorbell rings. A familiar setup unfolds as Mark appears with cue cards, just as he did long ago, explaining that he’s here under the pretense of raising money for Red Nose Day. The mood stays bright even as the cards hint at reconnecting with old friends, and Mark proudly introduces his new wife, the British supermodel Kate Moss, before finally proposing they see what happened to the rest of their circle.
Across town, a former Prime Minister figure—referred to as David—has won back his role after a turbulent stretch, and he dances in his official residence despite pain from a fall down the stairs. His wife and former employee, Natalie, gently chides him and offers to make tea, a small moment of domestic care amid the glare of public life. Later, in a public speech, he speaks of tougher times for many people, yet clings to a conviction that love and the goodness in people will prevail in the end.
Meanwhile, Billy Mack has released a charity single—an upbeat cover of ZZ Top’s “Gimme All Your Lovin’.” A radio interviewer tries to use the moment to drum up Red Nose Day awareness, but Billy is blunt about his motives, admitting he mostly promotes the charity to boost his own publicity and that he’s awaiting the release of his autobiography, which, in a candid twist, he hasn’t written or read. He also reveals that his manager, Joe, has died since the first film and quips about a wildly improbable high point in his past with a Kardashian, leaving the listener to wonder where truth ends and bravado begins.
In a different thread, Rufus, the ever-enthusiastic salesman, hawks red noses in honor of Red Nose Day. A line of customers grows so long that Rufus’s gift-wrapping ritual becomes comically elaborate, and the queue crawls out onto the street, tying up traffic in a playful, chaotic weave of charity and commerce.
Elsewhere, on the drive to pick up their three children from school, Jamie and his wife Aurélia reminisce about how their life began. Aurélia speaks in Portuguese about how happiness can be elusive, yet love can still make you feel it; she also reveals she’s pregnant with their fourth child, though Jamie misreads her, thinking she’s talking about dinner rather than their growing family.
On the banks of the Thames, the stoic figure of Daniel—now a father figure to his stepson and a central anchor for the story—receives a surprise visit from his stepson, Sam, who is 26 and living in New York. Daniel’s concern about Sam not keeping in touch is tempered by the return of Joanna, Sam’s childhood crush who left for the United States years earlier. Joanna asks Daniel for his blessing if Sam seeks marriage, and Daniel responds with warmth, indicating he’ll think about it.
The film closes with a broad montage: footage highlighting the efforts supported by Comic Relief, and a final touch of color as several cast members wear red noses, signaling hope, camaraderie, and charity as the shared heartbeat of this gathered group of friends.