Michael "Mischa" leads a contented life - until he is unexpectedly offered a "golden handshake" the day before his 50th birthday.
Suddenly he feels old, insecure and questions everything.
His wife Christiane plans a surprise party to which his best friends Heike and Klaus are also invited - including their own marital crises, job frustration, relationship chaos and infidelities.
An emotional chaos begins for Mischa: age-related puberty.
Will Mischa manage to overcome it and even turn his life around?
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