When quirky single mom Fiona and her son Marcus move in next door, Will's perfect world is changed forever.

Disaster looms when babysitter Will drags Marcus to Lil Jon's pool party.

Will turns to Marcus for a boys night out.

When Marcus verges on total humiliation in pursuit of a girl, Will steps in.

When Marcus pushes Will to date Fiona, Will pushes Fiona to date anyone but him.

Will meets the perfect girl... who challenges him to be a better man.