Audrey and Frank now have two children, a boy and a girl. They invite family and friends to come and celebrate the birth of the little one, but obviously everything is going wrong. Mia, Frank's mother, and Audrey are at loggerheads, while Audrey's father begins to lose his memory.

A new colleague who is too flirtatious excites Frank. Audrey feels out of place in the "mom-baby" course and she develops a dependence on another mother.

After news of Margot's separation, Audrey and Frank decide to take a romantic trip to Cuba that comes close to disaster. Bernard, who has just left Margot, frequents shady places.

Things are less difficult for Audrey and Frank - who are celebrating their wedding anniversary - than for their friends. Margot finds herself with a possessive lover; Bernard has a strange adventure; and Dave has an intense new girlfriend

Frank and Dave hit the slums. It's a bit of a descent into hell for them. Audrey decides to go out to a bar, but she will have trouble remembering the events of the previous night.