As the friends discover their heightened senses and animal-quick reflexes, they must combine their scientific curiosity with their newfound physical gifts to solve a cold-case murder that has suddenly become very hot if they can stay alive long enough to catch the killer's scent.
Fortunately, they are now more than friends. They're a pack. They are Virals." (https://www.goodreads.com/book/show/7800188-virals?ac=1&from_search=1)