He felt betrayed by the MC over his fathers death, so he left and half of the brothers went with him. Which hurt the MC ,because they are in the middle of a really bad war with a rival MC. He went and joined the Grey Reapers,which was founded by the brother of the Black Reapers president.
She was happy just to have a job that she didn’t get shot at every night. When his new MC came in to have a memorial party for his dad, they were both happy to see a familiar face.
Eventually, he forgives his old MC for his fathers death and is finally starting to mature. She also forgives her father for the past, and starts to build a future relationship with him.
Together along with the Reapers, both black and grey, they can over come anything that is thrown at them.