When a movie star's son is killed after being chased by the paparazzi, Chloe takes a deep look into the case with a little help from Lucifer. Meanwhile, Maze and Amenadiel continue to encourage Lucifer to go back to hell.

When Lucifer is framed for murder, he and Chloe must work together to clear his name and prove the identity of the true killer.

Lucifer is distracted by his mother’s escape from hell, as he and Chloe investigate the murder of a stand-in actress. Meanwhile, Chloe’s faith in Lucifer is tested by the new medical examiner, Ella. Also, Amenadiel hopes to rein in Lucifer’s wild side, as they both deal with the absence of Maze.

Lucifer must find the antidote to the Professor's poison before it kills Chloe. He travels to hell to find the Professor's soul and get him to turn over the antidote. While he's there, he is forced to confront his guilt about Uriel's death. Mom heads to hell to get Lucifer back, but Lucifer still feels betrayed by his parents because of something he discovers.

When the man who had the final piece of the Flaming Sword is murdered and the piece goes missing, Mom joins Chloe and Lucifer on the case to track down the killer. But when Lucifer gets sidelined, Maze recruits him to help save Dr. Linda's endangered career and confronts him about the secrets he's been keeping.

After Lucifer removes his wings yet again, Linda becomes concerned that he is too focused on tracking down the Sinnerman and neglecting his own well-being. Tensions continue to rise between Lucifer and Chloe, but they realize they must put their differences aside to solve a case in which Lucifer takes a sudden interest. Once Detective Pierce's past is revealed though, everyone realizes that the Sinnerman is much more dangerous than they thought.

After talking to Lucifer and Linda, Maze realizes that she is looking for more out of life and decides to head to Canada for a tricky case. Chloe however, becomes concerned when she feels that Maze is being deceived by a scheming conman. Upon further investigation, Lucifer and Chloe make a stunning realization when they find that their target may be much closer than they thought.

When Chloe and Lucifer's investigation into the murder of a diamond thief points to one of Ella's brothers as the main suspect, Ella is driven to prove her brother's innocence and recruits an unlikely ally. Meanwhile, Linda is upset when Charlotte comes to her for help and Detective Pierce hashes out his issues with Amenadiel.

Shocked by someone's death, Chloe, Lucifer and the rest of the team work together to investigate and take down the killer. Then, Lucifer has an epiphany, Maze decides to mend a broken friendship and Chloe finally sees the truth.

While investigating a beekeeper's murder with Lucifer, Chloe insists that she's completely fine with his devilish revelation, thank you very much.

Lucifer's so-called epiphany has Chloe worried, but it's his physical transformation that's really freaking her out. Also, Maze gives Eve a pep talk.

Amenadiel helps Chloe investigate a nun's untimely demise. Meanwhile, Lucifer lends Dan a hand, and Linda reveals a painful part of her history.

Chloe and Ella investigate a mini-golf murder. Lucifer, Michael, Amenadiel and Linda prepare for the holiest of family dinners.

The end is nigh! Lucifer, Chloe, Maze and Amenadiel prepare for battle with Michael and his not-so-angelic army of supporters.

Loony Lucifer and cartoon Chloe find themselves trapped in an animated loop. Amenadiel prepares for his new job. Dan returns to the city of angels.

Desperate to rescue Rory, Lucifer and Chloe confront her kidnapper with guns and wings blazing. Lucifer finally comes to terms with his purpose.