The criminal boss knows that Ivy is one of the best fighters in the city. He hired the best assassin to submit Ivy. However it's not so easy while her partner Caleb is near. They are the great team and they are too loyal to each other. So they came up with a great plan and the new experimental medicine is going to help them to realize this plan. The assassin trapped the partners and made the injection to the partner's neck. Caleb got mad and tried to eliminate Ivy. She had to defend herself. She doesn't want to hurt him but he is absolutely insane.