A volte ritornano

A landslide, caused by heavy rains, brings to light the entrance to a cave that should have remained hidden forever, while a strange and threatening vision brings back Zagor's memory of distant events that had been erased from his mind. The Spirit with the Hatchet suddenly finds himself involved in a dramatic adventure, suspended between past and present, forced to face a threat believed buried and to prepare for new, dramatic events that are announced for the imminent future...