Orphan Black (2013)

S1E4 Effects of External Conditions

Sarah comes to the realization that ensuring the Orphans' survival requires more than just her police skills. However, her pursuit of the murderer jeopardizes her long-anticipated meeting with her daughter, Kira. As Sarah closes in on the killer, the danger escalates; the murderer inches closer to uncovering Sarah's true identity as an officer. The impending confrontation could unravel the carefully woven deception she has maintained.