As the Xie family struggles to accept Charlie's death, Jo finds evidence pointing to the killer, though the motive remains hidden.

Jo and Gorski catch a break in the case, forcing the Xies to close ranks on the investigation. Jo's cancer is interfering with her work and Teresa's condition worsens.

The Xie family struggles to make sense of Charlie's murder while Jo and Gorski look to Anna and James as suspects. Jo feels the pressure of being primary detective and Gorski's starts to recognize that something is seriously wrong with his partner.

Losing patience with Jo's inexperience, Gorski presses to take over the investigation. Time is running out and Lt. Chu is anxious for answers.

Charlie's funeral brings out the worst in the Xies and a terrible secret comes to the surface. Ron Xie confronts Jo but ends up revealing more than he intended.

The cops focus on Paul and Ron as lead suspects and hatch a plan to draw the killer out. Jo visits her mother to ask questions about her past and lies to her about her cancer diagnosis instead. The Xie family secret begins to unravel.

The truth about Charlie’s murder is revealed, and the family must decide how to move forward. A race to catch the killer ensues. Jo makes a decision that will change her life forever.

Under new Commanding Officer Lt. Dan Barron, Jo Bradley and Detective Evan Ong investigate the murder of victim´s rights advocate Jennifer Liu. The Xie family fight a hostile takeover bid, unaware their daughter Anna has secretly returned from China.

Evan brings Ron Xie in for questioning. Victor Li and his son Zhongchen continue their push to buy Xie Holdings. Ron discovers the Li’s backed the smear campaign against him. Ron tells his bodyguard to destroy evidence linking him to Jennifer Liu.

Evan brings Teresa in for questioning. Anna and Zhongchen struggle to keep their relationship a secret. Victor visits Weiran and powerful emotions are aroused. Jo receives a new batch of letters.

Evan and Jo bring Ron’s bodyguard in for questioning. Jo confronts her mother about the mysterious letters. Victor discovers Zhongchen and Anna’s secret affair. Jo and Evan cross a line.

Jo responds to a jailhouse request. Anna is called in for questioning and a secret is revealed. She convinces Jo and Evan to let her help them catch a killer. Jo is stunned to receive a package from Weiran.

Anna’s life is risked. A murderer is revealed. The remains of the Xie family attempt at a new beginning. Enraged, Jo confronts her mother and makes a dangerous, impulsive decision.