Jane and Maura will investigate a number of complex and troublesome cases, including the pending murder trial of Maura's biological father, Paddy Doyle. Plus, Lt. Detective Rafael Martinez, the newly appointed head of the Boston Police Department's drug unit, who has a conflicted professional past with Jane, will force her to relive a painful experience.

Season 4 Episode 1 - We Are Family

A community parade turns deadly in a case that brings family tensions and politics to the forefront. Maura, who is dealing with her own family issues, is not quite herself. And a surprise visit from Lt. Col. Casey Jones reveals some shocking news. Air Date : 25th-Jun-2013  Read More

Season 4 Episode 2 - In Over Your Head

Jane is unhappy when a former colleague returns as the new lieutenant of the drug unit; a tip from Cailin causes Maura to investigate Hope. Air Date : 2nd-Jul-2013  Read More

Season 4 Episode 3 - But I Am a Good Girl

A body is discovered in the church at TJ's christening; Jane almost abuses her power to protect Tommy; Lydia's fiancé threatens to take custody of TJ; budget cuts cause tension at the department. Air Date : 9th-Jul-2013  Read More

Season 4 Episode 4 - Killer in High Heels

Maura becomes the key suspect in a homicide case when Maura’s date turns up dead – and Maura can’t remember their evening together. As the shocking evidence against Maura piles up, Jane struggles between protecting her best friend and doing her job. Air Date : 16th-Jul-2013  Read More

Season 4 Episode 5 - Dance With the Devil

On the first day of Paddy’s murder trial, Maura gains insight into her father from Hope. Korsak opens up about Cavanaugh’s tragic past. And in an unexpected twist, Maura must decide which side she’s on when she and Jane unravel a shocking secret about Paddy and Hope that affects them all. Air Date : 23rd-Jul-2013  Read More

Season 4 Episode 6 - Somebody's Watching Me

A viral video of Jane jeopardizes her career and reputation; the squad tries to solve a murder case involving a conspiracy theorist. Air Date : 30th-Jul-2013  Read More

Season 4 Episode 7 - All For One

A popular high school teacher is killed in a hit and run that is clearly no accident. The squad works to solve the case, but Jane is preoccupied with Lt. Martinez’s apparent favoritism towards his own drug unit. Air Date : 6th-Aug-2013  Read More

Season 4 Episode 8 - Cold As Ice

Frankie Jr. is brought in to help with a gruesome murder case involving a youth hockey league. Frustrated with Hope, Cailin asks to stay with Maura. But Maura quickly learns that living with a teenager requires skills she does not have. Air Date : 13th-Aug-2013  Read More

Season 4 Episode 9 - No One Mourns the Wicked

When Jane and Maura are asked to present the case of serial killer Charles Hoyt at a symposium for law enforcement, Jane worries that her greatest challenge will be facing bad memories. However, as she and Maura begin a simulation of investigating Hoyt’s murders, they soon come across a horrifying discovery. In a matter of moments, the team finds themselves drawn into a lethal game of cat and mouse with a new and terrifying serial killer. Air Date : 20th-Aug-2013  Read More

Season 4 Episode 10 - Built for Speed

When a late-night amateur drag race turns deadly, the squad works quickly to solve what turns out to be a particularly dangerous case. As evidence unfolds, Jane suspects that the motive for murder may have been an attempt to conceal drug trafficking. However, when she turns to Lt. Martinez for help he seems to be thwarting her investigation. Air Date : 27th-Aug-2013  Read More

Season 4 Episode 11 - Judge, Jury and Executioner

A mock trial advisor dies during a competition. Meanwhile, Jane is concerned that Angela may be hiding financial issues. Air Date : 3rd-Sep-2013  Read More

Season 4 Episode 12 - Partners in Crime

The squad rushes to solve a violent homicide case muddied by conflicting evidence. Maura is burdened with the major decision of whether to take in her recently paroled grandfather. Meanwhile, Jane and Casey are forced to decide between their careers and their romantic relationship. Air Date : 10th-Sep-2013  Read More

Season 4 Episode 13 - Tears of a Clown

A kidnapper dressed as a clown re-emerges after 20 years; Jane's relationship with Casey grows more serious; Maura inadvertently gets in the middle of another relationship. Air Date : 25th-Feb-2014  Read More

Season 4 Episode 14 - Just Push Play

A musician is stabbed in a bar; the squad realizes that the stabbing victim had something to hide; Jane's father returns with shocking news. Air Date : 4th-Mar-2014  Read More

Season 4 Episode 15 - Food for Thought

When a food truck chef dies suddenly, all signs point to poisoning; Tommy announces some big plans; Maura's birth mother tries to make amends with her daughter. Air Date : 11th-Mar-2014  Read More

Season 4 Episode 16 - You're Gonna Miss Me When I'm Gone

A senator's daughter is found murdered; Tommy begins to slip back into old habits; Jane reveals some shocking news. Air Date : 18th-Mar-2014  Read More