When Walden Schmidt (Ashton Kutcher) nearly kicks the bucket, he decides it's high time he stops waiting for the right woman to live a meaningful life. Unable to adopt a kid as a single dad, he pops the question to his long-time roommate and best friend Alan Harper (Jon Cryer)... and the result is a match made in Malibu! But will a friends-without-benefits marriage put a damper on their freewheeling lifestyle? As Alan and Walden struggle to become mature role models for their adorable foster child, Louis (Edan Alexander), there's no stopping the happy couple from doing the manly things they love most!