Martin is a struggling LA musician nervously meeting his girlfriend Ginnie's intimidating father, Mr. Gallo, for the first time. Gallo is a tough-minded, no-nonsense international businessman who never has enough time for Ginnie. At dinner together, Gallo is resolutely unimpressed by Martin, Martin grows increasingly uncomfortable, and the meal is a disaster. Six months later, Martin's broken-hearted over being dumped by Ginnie, who has "moved on", when Gallo shows up at his door looking for his daughter. Her cellphone is off and she has not responded to any texts or emails. Although it's the last thing he wants to do, Martin is "persuaded" by Gallo to take him to where Martin believes Ginnie is living. Ginnie isn't there either, and Martin and Mr. Gallo are forced to spend the rest of the day and night together, searching for her all over town. As they attempt to solve the puzzle of what is going on in Ginnie's life, they encounter her crazy friends and get into increasingly desperate jams of their own making. Some property is destroyed, some laws are broken, but an uneasy friendship between Martin and Gallo is born.... as they discover that they, rather than Ginnie, are the ones who are truly lost.