Dex Parios - a strong, assertive and sharp-witted army veteran with a complicated love life, gambling debt and a brother to take care of - works as a PI in Portland, Oregon. With only herself to rely on, she solves other people's messes with a blind eye toward her own, finding herself at odds with the police and in the firing line of criminals.
With Sue Lynn's help, Dex works to find a fellow veteran's birth parents after he discovers that he's adopted. Meanwhile, Ansel creates a birthday bucket list for turning twenty-one and enlists Grey's help to complete each item. Elsewhere, Grey continues to work with Hoffman and goes undercover to infiltrate a car ring operation.
Dex is hired to investigate a bride's fiancé after suspicions arise regarding the motives behind the hurried nuptials. Dex asks Hoffman for help with the case and discovers there's more to this couple than meets the eye. Meanwhile, Hoffman goes head-to-head with his father when he learns that he will be representing a suspect in Hoffman's case. Back at The Bad Alibi, Tookie and Ansel propose a new business idea to a reluctant Grey.
Dex and Grey venture to Los Angeles to help a client who believes her Hollywood script has been plagiarized by a former classmate. Reluctantly, Grey leaves Ansel and Tookie in charge of The Bad Alibi, and against his wishes, Tookie hosts a birthday party at the bar. Panic sets in when they discover a valuable is missing.
Dex's former client Jeremy introduces her to Major Elders who has intel on Benny's death. Dex, suspicious of the information and looking for answers, investigates a potential cover up involving Benny's unit in Afghanistan. Elsewhere, Hoffman and his partner, Lee, work closely on a sting operation which shockingly involves a familiar face. Meanwhile, Grey's newfound relationship with his father is tested.
To get justice, Dex takes matters into her own hands after finding herself at the forefront of a murder investigation where she's the prime suspect. Meanwhile, Hoffman struggles to remain impartial in the investigation and could lose everything if he continues to help Dex. Elsewhere, Grey attempts to work on his budding relationship with his estranged father while a familiar face from the past makes a surprise visit.