Blindspot 1×04 “Bone May Rot” – Patterson (Ashley Johnson) and her puzzle-expert boyfriend, David, (guest star Joe Dinicol) decode a tattoo clue that sends the team to the Centers for Disease Control (CDC). While at the CDC, the team discovers a hidden message on Jane’s body that uncovers a plot that could have catastrophic global consequences. Meanwhile, Jane (Jaimie Alexander) and Weller (Sullivan Stapleton) grow closer. Also starring Marianne Jean-Baptiste, Rob Brown, Audrey Esparza and Ukweli Roach. Guest starring Michael Gaston, Natalie Thomas and Paul Fitzgerald.