Alicia makes a decision about her professional future, and receives a call from a client who is being held in a secret police facility without being officially booked.
A former client contacts Alicia after being charged with a murder connected to a 2009 case; Alicia remembers her early days as a lawyer as she reviews the old case.
An engineering professor (Bill Nye) helps Charlie and Dr. Fleinhart re-create a backdraft in order to identify an arsonist.