In a tangled and entertaining comedy, a young Mr. Wright, an naive and somewhat clumsy adventurer, finds himself in an unexpected situation when he confuses a bottle of wine with a dangerous chemical substance. It all begins at an elegant dinner with his fiancée and her future in-laws, where the tensions are at their peak. To impress his future family, he decides to bring a bottle of wine from his own vineyard.
However, amidst the confusion, his friend's briefcase, belonging to an eccentric scientist, is accidentally swapped, leaving Wright with a bottle containing a potent poison instead of the bouquet of wine he anticipated. As the moment to serve dinner approaches, panic sets in, but like any good comedian of the era, he decides to improvise. With his wit and negotiating skills, Wright attempts to handle the situation while a series of hilarious misunderstandings and suspenseful moments unfold.
With each failed attempt to rectify the mistake, the situation becomes increasingly complicated, involving family and a group of friends who become more confused and worried about the young man's health. Absurd situations arise, culminating in an explosive and hilarious conclusion that leaves everyone wondering who really has the final word at a family dinner. Confusion and laughter are guaranteed in this fun entanglement that reflects the chaos of family relationships.