Dasha was looking forward to an exciting theater training session in a cozy guest house by Lake Pleshcheyevo, but ended up inside a real detective story! Sam Goldberg, an American who came to Russia looking for a child he never met, never got the chance to meet him—he was stabbed in his own bedroom. Because of the rain, the river overflowed and washed away the bridge, blocking the road to the estate, so the residents will have to investigate the crime on their own. Luckily, among them is a police officer, Yevgeny Makarov. Dasha felt obligated to help him, because it was she who, accompanying Sam as a guide, suggested that he come to this guest house…