It's Antonio's birthday, and to celebrate the date, he and his wife (Lola) invited to dinner his two sons and a couple of friends (Marga and Jorge). As usual, between the family there are personal issues to resolve, and throughout the dinner tensions begin to emerge. The diners, despite being people apparently "civic" are slowly losing his composure and manners. The family situation goes into crisis, it becomes totally unsustainable and all them come to the same conclusion: Antonio is to blame for all their ills ... Antonio's birthday becomes from this time on a real blunder in which all rebel against him forcing him to redeem himself from his "tyranny" as a parent. An insurmountable need to break with the established and released their own lies leads the characters to commit authentic follies, creating deliriously funny and shocking situations. Chamanic acts, collective nervous breakdowns, extreme discussions, hallucinations, seizures unsustainable laughter, chases and improbable ...