Eva goes to Budapest to visit her friend Tini's wedding but as soon as she arrives, the husband-to-be breaks up with Tini. When Eva decides to take things into her own hand and follows him to the Hotel Atlantik.
After experimenting on himself and becoming invisible, scientist Jack Griffin, now aggressive due to the drug's effects, seeks a way to reverse the experiment at any cost.
A lover selflessly steps aside to let her guy go so he can hook up with a rich dame. Sadly, the goodie good girl ends up marrying some scum bag gambler.
Medical student Antti Ahonen, who is fighting tuberculosis, finds himself in the middle of a love triangle with his friend Heikki Huhtamäki and his crush Helmi Hirvinen.