Harlequin romantic suspense #2318

Widow Mallory Stanton is finally free of an abusive marriage--but not from the danger her dead husband left behind. When a missing hard drive leaves her young daughter's life threatened, the desperate mom turns to Rafe Ramirez, a cybersecurity expert and her first love. Rafe vows to expose the culprit...even as he struggles to keep his romantic feelings--and secrets--in check. But with an unknown assailant closing in and Rafe's own past transgressions revealed, will their reunion end in tragedy?