Darby Lynn Totten

The team are called in to investigate a bank robbery when one of the thieves is found embedded in a solid wall. Walter believes they're after something of his, but things take a turn for the worse when the thieves ambush one of them.

A Massive Dynamic employee leaps to his death after hallucinating a butterfly attack. Agent Scott proves useful in investigating the case, but a frustrated Olivia wants to remove him from her consciousness once and for all.

The trio investigate when something strange happens on board a flight: a passenger transforms into a bloodthirsty creature.

On the drive home from a family meal with Linda and the children, Danny's car hits a man who had run into the road in front of him. As Danny seeks to help the victim, shots are fired out of nowhere, and Linda feels that, compared to the NYPD, she's constantly an afterthought.