Financially hard-pressed, the good-hearted but gullible coffee-shop owner, Thimios Papachatzis, arrives in Athens to ask his twin brother and famous actor, Kostas Papachatzis, for a loan. In high hopes that he will soon manage to marry his sweetheart, Pagona, Thimios pays a visit to his sibling not a moment too soon, as Kostas faints and collapses on stage before a speechless audience. Now, it's up to Thimios to save the day and his beloved brother's reputation by stepping into Kostas' shoes, as he rests by doctor's orders. Is Thimios up for the task?