About Sirens Season 1, Episode 3 :

A patient knocking on death's door pleads with the guys to go back to his house and “clear history” on his computer. After they stumble across a troubling image on the computer screen, the guys can’t get it out of their heads. Meanwhile, Johnny remembers that Theresa has his iPad and it contains things that he wishes he could “clear .” Guest Stars: Bill Nunn, Josh Segarra,