help!!!

can someone fill me i on what happened to josh after the two part special before christmas i saw him get stabbed and charlie giving i think abs anod to say josh was ok but what happen after i missed the next episodes

please please help

He decided to take some time off and go travelling as they said he wasn't aloud to go back to work for at least 12 months. So Charlie told him to do something for himself becasue since his family died years ago all he did was work.

will he be coming back does anyone know