You come home after a long day from work, and you decide to chill out and watch TV. A while later, the program got interrupted by a broadcast. You watch the following.

TV: Warning, there is a new phenomenon spreading throughout Texas. These phenomenons are called doppelgangers. Most doppelgangers are harmful and deadly, but there have been very few cases of people seeing passive copies. Marked doppelgangers are the most passive types of doppelgangers. However, finding one is very rare.