Greg founded a company called Alibi.com that creates any type of alibi. With his associate, Augustin, and Medhi his new employee, they devise unstoppable stratagems and stagings to cover their clients. But meeting Flo, a pretty blonde who hates men who lie, will complicate Greg's life, which begins by hiding the true nature of his activity. During the presentation to parents, Greg understands that Gérard, the father of Flo, is also one of their clients.

Jules has lost his wife and child. Amid his suffering, he is seeking perfection. Anna's only desire is to heal Jules' wounds, with a love she wishes perfect as well. Will these two hopes eventually make one?

The story takes place in Carhaix, in the heart of Brittany. A small hospital, with a calm maternity clinic, where few births take place. Mathilde, a mid-wife, Firmine, a pediatric nurse, and Louise, the owner of the Carhaix bowling alley, are all friends and lead a happy existence. Catherine, director of the establishment's Human Resources, is sent to restructure the hospital and, most importantly, to eventually shut down the maternity clinic, which is losing money. Four women whose age, personalities, and origins are different, but who will form a quartet overflowing with humanity and humor as they join forces to save the clinic. Life, love, friendship, Brittany and... bowling.