In the first half of Altered Sam, Trev, Cas, Nick escape the lab when connor tries to take them and Anna goes with them to stay safe and away from Connor. They left and went to a safe house address that her Dad gave to her. When they got there they found a note connecting Sura Turner to Sam. They also found a UV light an immodestly left after a police officer showed up looking for Ms. Turner.

Then they headed to a hotel and Sam had Anna search his tattoo for clues with the UV light. They found coordinates to a cemetery where they found a grave of on of Sam's aliases. They dug it up to find a deed to the house in Michigan. Where they stayed for a while to find clues that decoded into a phone number.

That was Anna what she thought mom Sura Turner, and she remembered nothing about Anna so she thought her memory was wiped. Shortly after she arrived Riley came for the boys and ended up capturing Cas and shooting Sura dead.