San Jose police officer Grace Travis is undercover with the Oakland PD.In her undercover persona as Jackie Hays she had been setting up a drug deal with gangster Jimmy Laszlo but is pulled out of her current operation when her son Sam killed in a drive-by shooting. Four months later, she is still on leave and trying to find her boy's killer. She's looking at her old cases to see if someone might be seeking revenge but after gangster Jimmy Laszlo's accountant, Tony Alden, is killed, the forensic reports find the same type of blended metal in the bullets that killed him as were used to kill her son. They also found hoisin sauce. She is shot in a drive-by attempt on Laszlo and again, there's a similarity in the bullets. Grace gets the license plate of the car and gives it too her less than reliable colleague, Wilson. Her cover is soon blown. Written by garykmcd

Grace's cover is blown and she tells Laszlo the truth: that she's no longer on the job and only wants to find out who killed her son. Now fearing that it's someone in his own crew, he makes changes warning them about bugs. He's shocked however to find that the $25 million he deposited in the bank just before his accountant was killed has now disappeared. Laszlo's son Max is released from jail and he throws him a welcome home party. Grace is suspended pending the results of a review board. The police get a warrant to search the Chinese restaurant run by those that may have been involved in killing Laszlo's accountant. As they're searching, it's firebombed. Written by garykmcd

The Laszlos feel the fallout from Alec's retaliation against Clay Street. The Chinese want blood or money, and the police want justice. Grace convinces Jimmy to take pre-emptive action by walking into the police station on his own volition and denying his family's involvement. Grace uses this distraction to steal cell phones from his crew and asks Mitch to run for location and call histories. Written by Anonymous

Jimmy reprimands Alec for killing the two crew members. If he ever wants Jimmy's seat, he's going to have think through his actions more carefully. Grace questions Jimmy about the killing, he admits Alec was behind it.

Jimmy and Grace go through Charlie's papers searching for a lead. Grace asks Mitch to run the serial numbers on money they find in Charlie's home. He discovers a link to a treasure agent, Michael Chen, who committed suicide five months earlier. Grace remembers she was supposed to meet with Chen around the time of his death - he never showed up. Written by Anonymous

Grace tells Tom he and Evie need to stay someplace else for a couple days. Although Grace won't tell him why, Tom suspects something is wrong. Tom decides to take Evie to stay at Shelley's place.

Grace manges to escape from Max who knows her real identity. Grace informs Mitch she needs to tell Jimmy that Max is the one moving against him. Mitch warns that could backfire.

Back at her apartment, while cleaning up from the fight with Max, Jimmy surprises Grace - he's drunk and depressed - he's ruined everything. The next morning, Jimmy is called down to the docks - they've found a burnt body, which he fears may belong one of his sons. Written by Anonymous

Grace is processed and interrogated for the murder of Max Laszlo. Meanwhile, Jimmy attempts to makes amends with Alec, but the relationship is beyond repair. Alec calls a meeting with Jimmy's crew. He informs the men that Jimmy knew Grace was a cop all along. Alec is taking over from his father, and asks the crew to join him. A few oblige. Lloyd and Walt stay loyal to Jimmy. Written by Anonymous

The truth behind Sam's death is revealed. Grace escapes from the hospital and, unable to get hold of Mitch, Grace turns to Wilson for help. Wilson explains that Max's arrest was staged and that Max grew up with another detective in OPD.