It's New Year's Eve afternoon and Honza, Jana and Zdeněk decide to go out into the karst area. Despite the express ban, one of them goes down into an unknown underground tunnel. When he doesn't return for a long time, the others go looking for him. But they soon discover that they are not enough on their own. Only the best rescuer, Karel Nousek, can save him. However, he is dealing with a complicated life situation. He loves his colleague's wife and is about to solve a love triangle. That evening, Olga wants to tell her husband that she is breaking up with him because of Nousek...
| Actor | Role |
|---|---|
 Jiří Bartoškazáchranář Karel Nousek | záchranář Karel Nousek |
 Eva JakoubkováOlga | Olga |
 Petr SvojtkaHofman | Hofman |
 Martin StropnickýHonza | Honza |
 Zlata AdamovskáJana | Jana |
 Jan HrušínskýZdeněk | Zdeněk |
| MMartin ŠotolaMartin | Martin |
 Miloš VávraMatoušek | Matoušek |
 Tomáš JuřičkaNot listed | Not listed |
 Otakar BrousekNot listed | Not listed |
| JJiřina BíláNot listed | Not listed |
 Květa FialováNot listed | Not listed |
| MMarta RichterováNot listed | Not listed |
 Valérie ZawadskáNot listed | Not listed |
 Jitka ZelenohorskáNot listed | Not listed |
| JJan CmíralNot listed | Not listed |
| VVítězslav ČernýNot listed | Not listed |
 Miloslav HomolaNot listed | Not listed |
 Jan KanyzaNot listed | Not listed |
| JJan KotvaNot listed | Not listed |
| VVladimír PospíšilNot listed | Not listed |
| VVáclav ŠteklNot listed | Not listed |
| JJaroslav TomsaNot listed | Not listed |
 Oldřich VelenNot listed | Not listed |