A childish idiot trapped in an adult's body, schoolteacher Dan hates his job, hates his girlfriend-less life and has good reason to fear his dad.

Concluding that he must change and grow, Dan embarks on a mission of self-improvement ... one that is not an unqualified success.

At a crossroads in life, Dan struggles with an increasingly fraught work environment and may soon lose the job he despises.

After quitting his teaching position, disaster-prone child-man Dan becomes a father and desperately tries to embrace his new role as head of a family.