Eric Bishop, a middle-aged postman working for the Manchester sorting office, is going through a dreadful crisis. For starters, his second life companion has not resurfaced although she was released from prison a few months ago. He is left alone with two stepsons to look after, which is no bed of roses since the two teens disrespect him and keep disobeying him. To make matters worse, Ryan, the older boy, fascinated by Zac, a dangerous gangster, has accepted to hide his gun in Eric's house. On the other hand, he is asked by Sam, his student daughter who has a newborn baby,to get back in touch with Lily, his separated wife. Now, Eric left her not long after she gave back to their daughter. As a result Eric panics... Having lost all his bearings, Eric Bishop soliloquizes face to the poster of his idol, another Eric, French footballer Eric Cantona, when the latter appears just like the genie out of Aladdin's lamp. Through a series of aphorisms peculiar to him, the footballer-philosopher will help remorse-ridden desperate Eric Bishop to get by.

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Eric Bishop, postier à Manchester, traverse une mauvaise passe. Sous son nez, ses deux beaux fils excellent dans des petits trafics en tous genres, sa fille lui reproche de ne pas être à la hauteur et sa vie sentimentale est un désert. Malgré la joyeuse amitié et la bonne humeur de ses collègues postiers qui font tout pour lui redonner le sourire, rien n'y fait... Un soir, Eric s'adresse à son idole qui, du poster sur le mur de sa chambre semble l'observer d'un oeil malicieux. Que ferait à sa place le plus grand joueur de Manchester United? Eric en est persuadé, le King Cantona peut l'aider à reprendre sa vie en mains...