Mat is haunted by Monika, a moderate depression. She's shocked: Mat can see her.

Monika and Mat make a bet and Mat realizes that he has no chance against Monika.

Mat wants to win back his girlfriend Susa and gets help to get rid of Monika.

Monika has feelings for the first time and finds support in the group of APEs.

Mat brought Monika into a dangerous situation through his thoughtless behavior.

Mat realizes that he needs help and Monika must face an examination procedure.