Strange, frightening events take place on the Irish island of Chimera... First, a murder is committed in accordance with an ancient ritual - a pebble with Gaelic writing is found in the victim's body. Then mysterious rumors arise among local residents - they see either shining green eyes or a woman in the lake water in red. Has the legend that one day its first ruler, the cruel Scarlet Queen, will return to the Chimera Island become true? Everyone secretly believes in this... except for the French police captain Marie Kermer and her fiancé, the experienced investigator Fersen, who recently arrived on the island .Marie and Fersen understand: someone is cleverly using ancient legends to commit crimes with impunity...