On a hot summer day, the philandering pharmacist, Panagiotis Panagiotidis, has a chance encounter with the alluring blonde stranger, Loulou. Before long, as one thing leads to another, the very married and shameless Casanova will find himself under the sun of a crowded Athenian beach, keeping company to cryptic Loulou, intent on following her to her apartment. But, there, a shocking revelation awaits the unsuspecting womaniser, as Loulou reveals that his name is, in fact, Iordanis Stekas, and that, much to his surprise, the beautiful lady with whom he's been rubbing elbows with the whole day is, in reality, his wife. Now, a respected psychiatrist attempts to shed light on the curious case of Panagiotis/Iordanis. Under those circumstances, who's the husband of his wife?