Brad is a mild radio executive who wants to be the best possible stepfather to his wife's children.
But in the nick of time he feels insecure upon Dusty's reappearance.
You wait for a hint of Ferrell wickedness or a sign of potent Wahlberg meanness to really zing us, but get a high-school comedy which has been neutered to a harmless, toothless PG13 rating.
It's Ferrell and Wahlberg who keep this engine revving like it does, a statement that shouldn't come as a shock for all of those who watched the pair's 2010 hit The Other Guys.
