"Industrial espionage becomes a deadly manhunt in the Swiss mountains..." Israel needed plans for a new fighter plane: a sympathizer inside a Swiss aircraft factory was supplying - the information was flowing fast... Itzhak and Heidi of the Israeli Security Branch were enjoying the best surveillance assignment of their lives ... playing tourists in a winter-sports paradise... And then the situation exploded. With an Arab terrorist cell up in the mountains, and Moscow-controlled agents infiltrating, the ISB agents found themselves in a desperate battle against old enemies..."