Who Targeted the Tiger?

Tiger is the best football player on the zoo's team. But one morning, after his training session, he's knocked out by a red ball. Hurt, he won't be able to play in the next game. Who targeted Tiger? Probably an aspiring football player who didn't make the team. Sherlock is also frustrated: Dromadary starts of a career as an investigator. The unexpected competition makes Sherlock try even harder!