Callum's goodbye party kicks off without Josie present, but Sonya convinces her to come – for Callum's sake - even though it's going to be a hard day for both of them. Josie surprises Callum by insisting things have to change - no way will he want to be hamstrung by a girlfriend back home, which is why she's breaking up with him.

Brennan's concerned when he follows Paul and sees him buy a weapon. It's clear he intends to take revenge on Kate's killer, so Brennan tries to reason with him, to no avail. Brennan notifies Matt of Paul's intentions, and the pair set a watch on Paul's penthouse, while seeking a warrant to take the firearm from Paul.