This Film is about the Murder Drama which I understood. Martine Chabrol is found dead on the shore of the lake: misfortune or crime? One year after his house is rented to her daughter Francesca Laurenzi, divorced and with a history of alcoholism, she arrived in the country to find out the truth without revealing his connection to the victim. Meanwhile, we are witnessing an escalation of murders; the gardener of the house, after declaring to know something about Martine's death, is brutally murdered, and the same thing happens Sara, a girl in a wheelchair who always glued to his binoculars, he saw everything. Francesca suffers frequent telephone threats and finally comes to suspect Andrea, when he decided to change his life and marry her, the gala a jewel belonged to the victim. He confides his fears Inspector Freda, who turns out to be the real murderess. Andrea and Francesca clarify any misunderstanding, and the man, wealthy heir of his uncle, is now out of the spiral of debt. The two will be able to get married.