Doug's partner is back! He was never dead in the first place! It was all Kirill's misunderstanding! How can Kirill compete for Doug's heart with somebody who's so much closer to him? Oh no, wait. He retired.
I used to work with him 
in another department.
.سبق وعملتُ معه في قسم آخر
Wir waren einmal Kollegen.
Trabajaba con él en otro departamento.
Trabajaba con él en otro departamento.
C’est un collègue
de mon ancienne unité.
Lavoravo con lui in un altro dipartimento.
Eu trabalhava com ele
em outro departamento.
Я как-то работала
с ним в другом отделе.