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.

Nikiforos has a crush on Nehade, his new student. Eirini, supported by her friends, tests Pavlos' limits, while Maria adds extra pressure on him from her side. Mimi and the two decide to go after Kimon and find out what he is doing. When they spot him in a hotel room, Mimis will face a shocking spectacle.