Limitless: Season 1, Episode 16

1 - 16: Sands, Agent of Morra

When Sands, Senator Morra's deadly representative, enlists Brian's help to eliminate an immediate threat he needs to keep secret from the politician, Brian learns Sands' dangerous and shocking past. Also, Brian's sister, Rachel, scrambles to cover up his abrupt side mission with Sands when the FBI can't reach him regarding a new case.