Value Shop assistant manager Maya Vargas wants only one thing for her 43rd birthday -- a promotion. While her résumé may not scream upper management, her track record certainly does; she is an innovator who listens to her customers and delivers results. When she loses the job to a college-educated candidate, Maya sets out to prove to Madison Avenue that street smarts are as valuable as book smarts -- and it's never too late for a second act.

Four pals are stuck in a rut in adulthood: Adam has just been dumped, Lou is a hopeless party animal, Craig is a henpecked husband, and Jacob does nothing but play video games in his basement. But they get a chance to brighten their future by changing their past after a night of heavy drinking in a ski-resort hot tub results in their waking up in 1986.

Magali, forty-something, is a winemaker and a widow: she loves her work but feels lonely. Her friends Rosine and Isabelle both want secretly to find a husband for Magali.

Johan and Marianne are married and seem to have it all. Their happiness, however, is a façade for a troubled relationship, which becomes even rockier when Johan admits that he's having an affair. Before long, the spouses separate and move towards finalizing their divorce, but they make attempts at reconciling. Even as they pursue other relationships, Johan and Marianne realize that they have a significant bond, but also many issues that hinder that connection.