Rizzoli & Isles

A community parade turns deadly and family tensions and politics arise. A surprise visit from Lt. Col. Casey Jones (CHRIS VANCE) reveals shocking news.

Jane is not happy when a former colleague (AMAURY NOLASCO) returns to the Boston Police Department. Maura investigates Hope (SHARON LAWRENCE).

Baby TJ's christening turns grim when a body is discovered in the church. Jane almost abuses her power in order to protect her brother Tommy (COLIN EGGLESFIELD).

Maura becomes the key suspect in a homicide case when her date turns up dead -- and Maura can't remember the evening. Jane struggles between protecting her friend and doing her job.

On the first day of Paddy's murder trial, Maura gains insight into her father. Korsak opens up about Cavanaugh's past. Maura must decide which side she's on when she and Jane unravel a secret about Paddy and Hope that affects them.

When a beleaguered Jane spills hot coffee on a stranger, a viral video of Jane's bad day could jeopardize her career. Plus, a puzzling murder case involving a conspiracy theorist.

A popular high school teacher is killed. The squad works on the case, but Jane is preoccupied with Lt. Martinez's (AMAURY NOLASCO) seeming favoritism towards his own drug unit.

Frankie Jr. is brought in to help with a gruesome murder case involving a youth hockey league. Cailin (EMILEE WALLACE) asks to stay with Maura.

Jane and Maura begin a simulation of investigating serial killer Charles Hoyt's murders at a symposium for law enforcement, and come across a horrifying discovery.

Jane turns to Lt. Martinez (AMAURY NOLASCO) for help in a case she believes may have been an attempt to conceal drug trafficking, but he seems to be thwarting her investigation.

A mock trial advisor (A'DA ALISON WOOLFOLK) dies during a competition. Meanwhile, Jane is concerned that Angela may be hiding financial issues. DOUG SAVANT also guest stars.

Summer finale: Conflicting evidence muddies a case. Maura debates taking in her paroled grandfather (RICHARD HERD). Jane and Casey (CHRIS VANCE) evaluate where things stand.

When a kidnapper who dresses as a clown reemerges after 20+ years, the squad digs for clues from the unsolved abductions of 1988. Jane and Casey (CHRIS VANCE) become more serious.

A singer and guitar player is brutally and mysteriously stabbed in a bar. As details emerge in the case, the squad soon realizes that the victim had something to hide. Jane's dad returns after being gone for more than a year.

A food truck chef dies suddenly, prompting many questions. Tommy (COLIN EGGLESFIELD) announces plans that have Angela excited. Maura's birth mother (SHARON LAWRENCE) reaches out.

Homeland Security steps in when a senator's daughter is murdered. Tommy (COLIN EGGLESFIELD) and Frankie get into a fight. Jane reveals shocking news that could be life-changing.