Weller and his former FBI partner reunite for a dangerous undercover mission while Zapata interrogates a past foe.

When a student is shot by a rival gang member in his high school courtyard, Danny and Baez try to get a grasp on the situation to prevent a reoccurrence, but the principal recklessly takes matters into his own hands. Also, Erin tries to help her friend, who is mixed up in an illegal gambling ring. Meanwhile, Governor Mendez tries to frame Frank after one of his top legislative aides is shot by an NYPD officer.

Time is running out for Josh and Danny makes a bold entry into Ria’s world. He also puts his own life at risk in a bid to finish the job with Verma. Kabir struggles to manage both personal and professional fallout as he faces a roadblock that could end his investigation in the organ donors’ deaths. Kabir and Prakash zero-in on a new suspect, Rao and the heat on the case dials-up a notch.

Rebecca faces some fears in therapy while Paula brings a new friend to work.

An industrious Brooklyn realtor endeavors to hustle her way to a new home. After winning an affordable-housing lottery, Candace and John face culture shock and notice a class divide when they move into their new apartment. The Guy considers his living situation.

To avoid upsetting Mateo, Jane and Rafael must make a decision about the uncertain state of their relationship. Petra tries to get back in Jane and Rafael’s good graces.

K.C. struggles to decide if she should continue as a full time spy or live a normal life at college.

K.C. struggles to decide if she should continue as a full time spy or live a normal life at college.

After one of Murdoc’s go-to assassins agrees to hand over Murdoc to MacGyver in exchange for $10 million, the team finds itself protecting Murdoc from his former mentor, Nicholas Helman, who wants him dead. Also, Jack realizes he may still have feelings for Riley’s mother, Diane.

The team has one final chance to return to the timeline, but their actions may have deadly consequences.

Sandi Toksvig looks at some oddballs. Tune in for the odd ball games, but be sure to stay for the vegetarian goatsuckers - you won't regret it. With Jason Manford, Jimmy Carr, Victoria Coren Mitchell and Alan Davies.