Luka Knight was the future alpha of the Sentinel Alpha Pack, with a supportive family and a loving girlfriend, what could go wrong? But Luka wasn't entirely happy. His wolf yearned for his mate and apparently his girlfriend was not his other half. Even though his girlfriend loved him there was still a big part of him that was missing and only his mate can fill that empty space. When his girlfriend arrived at his house one night with a puppy inside a gift box, his wolf growled in excitement and joy and Luka's eyes widened in shock. It can't be... "MATE!" A dog for a mate? What can go wrong? EVERYTHING DOES! A/N: This story is unedited. There are lots of grammar mistakes and possible holes in the plot. Read at your own risk.