Gabriel was living a happy life until his wife Lena was killed in an accident, which caused his world to collapse. He was determined to avenge his wife and embarked on a bloody and dangerous path. Gabriel underwent arduous self-training and prepared for his revenge plan. During the investigation, clues gradually emerged, and he infiltrated the tiger's lair, but he fell into a trap. However, with his indomitable fighting spirit, he launched a desperate counterattack and unexpectedly met his ally Emily.