The lovable billionaire Arthur Bach, an irresponsible charmer, has always relied on two things to get by, his limitless fortune and lifelong nanny Hobson to keep him out of trouble. Now he faces his biggest challenge, choosing between an arranged marriage to ambitious corporate exec Susan that will ensure his lavish lifestyle, or an uncertain future with the one thing money can't buy, Naomi, his true love. With Naomi's inspiration and some unconventional help from Hobson, Arthur will take the most expensive risk of his life and learn what it means to be a man.