Nicholas Daniels was born in Milwaukee, Wisconsin to an Irish father: Sean and Italian mother: Maria. Throughout his youth, both Nick and his mother were abused physically and emotionally by his alcoholic father. To avoid his father's liquor-fueled mood swings, Nicholas spent most of his time away from home. After he graduated from high school, Nick applied to 28 different colleges, all out of state, and jumped at the opportunity to attend Portland State University in Oregon with an almost full-ride. After graduating at the top of his class with an associates degree in criminal justice, Nick was hired by the Seattle Police Department.
Nick met his future wife, Christine, on a routine traffic stop during his first year in the department, where she drove off with his number instead of a ticket. Less than a year later, in 2009, the two were married. After two years of marriage, Christine soon gave birth to a son, whom they named Cole, and the following year Nick was promoted to detective. After solving a number of murder cases, Detective Daniels received commendation after commendation, cementing his position as one of the youngest and most successful detectives in the department's history.
After being tasked with investigating a string of murders in 2014, Nick followed the trail back to Obshchina; the local Chechen mafia. After dirty cops leaked Daniels' progress to the Obshchina, the mob staged an assassination attempt to cover their tracks. While driving Cole to their nanny's house on Christine's and his' date night, a semi-truck rammed into the side of Nick's car, killing Cole and putting him in the hospital with thirty-four broken bones. In the aftermath of his son's death, Nick fell into a deep depression, and began drinking incessantly. He became paranoid that someone purposely caused the accident and also developed an obsession with finding those responsible for the hit. Daniels began spending entire nights at the office, which drove a wedge between himself and Christine. Nick's temper flared up constantly as well, resulting in multiple fights between himself and other officers. After decking his lieutenant, Daniels was fired from the department, but was spared from criminal charges. Soon after, Christine left Nick, and moved out to live with her parents, leaving him nothing but a letter and her wedding ring.
Daniels continued to search for the man responsible for the death of his son after being dismissed from the department, becoming a PI to meet ends meet, as well as a cover for his activities. After finding the man behind the wheel of the semi, Nicholas 'interrogated' him, discovering Daud Basayev, the head of Obshchina had ordered the hit. After killing the driver, and dumping the body into the Salish Sea, Daniels began casing Basayev's private estate outside of the city limits. When he was finally ready to put his plans into motion, Nick hired a discreet hacker off of the deep web to disable Basayev's alarm system. Sneaking into the estate, Daniels found Daud alone in bed. Drugging the mob boss, Daniels' dragged the man to his car, threw him in his trunk, and drove out to the Okanogan-Wenatchee National Forest. Once the crime lord came to, Daniels gave him a monologue about how he had taken everything from him, then shot him in the head, burying him in the woods.
A few months later, Daniels was hired by a wealthy investor, named Jacob Cohen, to find his daughter Zoey, who had allegedly eloped with her boyfriend after he froze her accounts in protest to her decisions to continue seeing someone he saw as a miscreant. Without much effort, Daniels soon tracked Zoey Cohen to Chernarus, and soon found himself on a plane towards the eastern European country. As soon as he stepped off the plane, he arranged a meeting with one of his contacts in Belozersk, who informed him that he had met a foreigner named Zoey in a bar in Kirovograd. On his way to Kirovograd, he learned of an epidemic spreading in South Zagoria, although he paid little attention to it. Upon arriving in Kirovograd, he learned that leaving the country was no longer an option. As society began to fall around him, and with no way home, he decided to continue searching for the investor's daughter, knowing deep down that this was the only purpose he had left in life.