Four photos, four memories, shaped the life of Reserve Major Haim Erez: Hannik Rosenberg, only four years old, ran alone on a snowy night into the forest beyond the barbed wire fence in the demilitarized zone, leaving behind his mother, Russian and German soldiers, and a note around his neck asking for help from whoever he could find him. One moment in the Six Day War when it was announced that the commander of the Armored Battalion, Ehud Elad, had been killed in battle, and as his replacement he must lead the tanks of the 79th Battalion and break through the protected Egyptian compound in Giradi. The moment when his tank crossed the Suez Canal and arrived on Egyptian soil, and he - the commander of the 421st Brigade - leads the attack that changed the face of the campaign on the southern front in the Yom Kippur War. The final moment of the move to evacuate the city of Yamit in April 1982, a move that he, as the commander of the Southern Command, managed and led with determination, wisdom and sensitivity. Mase Haim is the fascinating life story of Haim Erez, the boy who escaped from Warsaw occupied by the Germans, survived the terrible winter in a camp in Siberia, arrived in Nahalel without his family as part of a group of children from Tehran, and grew up as a soldier, warrior, commander and leader in battle and in peace. A life story that begins the story of the State of Israel: the Holocaust, the revival, the building of military and economic power. He had a significant part in all of these.