The Turquoise Teacup

Jane and Lisbon are married, and baby makes three. The dynamic duo is living happily in a small coastal town when a young woman shows up in need of Jane's expertise. Can he and Lisbon help her? Will Jane's new family fall in jeopardy at the hands of a psychotic madman? [AU after S6, but if you squint, it potentially lines up with post-series.]