When a best-selling murder mystery author dies from a rare but extremely potent toxin, Detectives Flynn (Kristin Lehman) and Vega (Louis Ferreira) must determine fan from foe. The investigation intensifies when a prime suspect turns out to be a second victim. Further complicating matters, prosecutor Samantha Turner (Laura Mennell) pushes Angie for the truth about her past with Sergeant Cross (Warren Christie). But she also receives a pleasant surprise that will help her make up her mind. Meanwhile, Detective Lucas (Brendan Penny) struggles with his marriage.
When the Homicide team investigates a blood-soaked crime scene, the pressure is on to find a missing and badly injured bartender. Sergeant Cross (WARREN CHRISTIE) joins Detective Flynn (KRISTIN LEHMAN) in the search. But feelings of guilt creep in when she thinks of forging ahead without her trusted partner, Detective Vega (LOUIS FERREIRA). With time running out, the hope of finding the young man alive is diminishing.
While investigating the ruthless murder of a promising high school senior, Detectives Flynn (KRISTIN LEHMAN) and Vega (LOUIS FERREIRA) uncover secrets of the young woman’s life that strike a personal chord with Angie, and cause her to take a more aggressive approach to finding answers. But Vega doesn’t agree with Angie’s tactics. Detective Lucas (BRENDAN PENNY) and Officer Sung’s (VALERIE TIAN) work relationship starts to take a personal turn.
A stunning socialite drowns after a celebration aboard her wealthy husband’s new yacht. Detectives Flynn (KRISTIN LEHMAN) and Vega (LOUIS FERREIRA) learn about the victim and her secret lover, but things soon becomes more complex, leading to an unlikely killer with an unexpected motive. Throughout the investigation, Angie must deal with increasing tension surrounding her relationship with Sergeant Cross (WARREN CHRISTIE), as rumors about their past spread among the team.