Pavlos tries to discourage Maria and such to postpone the wedding. He spends one more night with Eirini, but Giannis returns without notice and finds them in bed. Kimon's attitude troubles Vivian. Mimis tells the guys the reason he has trouble hanging out with them. Nikiforos and Pavlos come up with some ideas so that they'll earn Xanthippi's esteem. Ahilleas receives an unexpected document.

Natalia panics with the news that Ahilleas has to enlist in the Greek army. Xanthippi steps back with Mimis, realising that trying to break the trio is hopeless. Nobody can talk sense into Kimon, who spends money excessively and parties hard. After the break-up with Giannis, Eirini accepts that Pavlos is the man of her life. Meanwhile, Maria understands that something's wrong with Pavlos' behaviour and decides to do something about it.

Everybody bid farewell to Ahilleas, who is going to the army. Nikiforos seeks a connection inside the army to arrange a transfer. Eirini visits Maria in search of information about Pavlos' intentions. In another place, Pavlos confesses that he wants both Maria and Eirini. Xanthippi and Vivian try to talk with Kimon, who answers with bitter, cruel words. Curious about his lesson, Mimis and Pavlos go undercover and infiltrate Nikiforos's classroom.