Alec agrees to testify as an expert witness in a wrongful death trial for a friend of Kylie's. As he faces an old nemesis, he discovers competing emotions around an accidental shooting. Marisa reaches a decision about the bombing investigation.

Alec and Marisa investigate a museum heist and a curator and his son might hold the key; the case raises ethical questions about the controversial practice of buying and selling cultural artifacts, which brings old memories for Marisa.