Mapleshade's Beginning

Mapleshade is known by many as one of the coldest, most evil cats of the Dark Forest, the one who held Crookedstar to his infamous promise. But how did Mapleshade become so evil? What was her life like when she was a warrior of ThunderClan? See as Mapleshade lives in ThunderClan, raises her kits, is eventually turned away by both her mate and Clan, and what happens to her.