Why did Gus go after Malvo on his own?

Ever wondered how Mr. Wrench & Mr. Numbers came to be?

Alternate Reality. What if Mr. Wrench had noticed when Lester tasered Mr. Numbers? Things would have turned out very differently, indeed. Oneshot.

When an ordinary Bemidjii resident has a seemingly mundane encounter with two outsiders at a bar, she finds herself growing dangerously involved with the violent events perpetrated by both them and the mysterious drifter, Lorne Malvo. Naturally, shenanigans ensue and it all goes downhill from there.

Mr Wrench comes to terms with the death of his partner, Mr Numbers, whilst encountering Lester Nygaard. This one-shot is meant to take place a few days after the murder of Mr Numbers in Buridan's Ass (episode six).

One-shot in which Gus visits Molly at the hospital after he has shot her.

A very short Gully (GusxMolly) One-shot. It's just another routine night at Lou's Coffee shop discussing the murder case, until it's not.

Lorne turns to leave but his feet seems to glued to ground. He can't leave, not like this knowing what he knows, feeling what he feels and he turns back to face an angry Lester standing still there.

so we tremble, and break, and fall.