A very close-to-life story showing that some closed doors hide much bigger mysteries than you can imagine and it's better to leave them unopened. "Mystery" is the part of Experiment 5IVE.
| Actor | Role |
|---|---|
| IIgor EvseevNot listed | Not listed |
 Irina BarinovaNot listed | Not listed |
 Anastasiya KlyuevaNot listed | Not listed |
 Konstantin DemidovNot listed | Not listed |
 Olga EfremovaNot listed | Not listed |