When Kim Ho Lee is found dead by a neighbor, the detectives suspect her live-in boyfriend of murder until they stumble upon his dead body. As Winters and Jaruszalski begin digging into Joyner's past, they learn that he was hired to collect voter signatures in order to put a controversial proposition back on the ballot. However, when surprising details are uncovered, DDA's Morales and Price find their case in jeopardy and justice hanging in the balance.