7. Like Father, Like Daughter

Alexis enlists Castle's help on an Innocence Review case to prove that a death row inmate, Frank Henson, was wrongly convicted. With only 72 hours left before his execution, Castle and Alexis urgently investigate the original murder, only to uncover explosive secrets that may seal Frank's fate. Joelle Carter guest stars as Frank's long-time girlfriend who has always believed in him.

Plot summary and ending

Spoilers ahead. Coverage follows the scope labeled below.

Complete story — includes the ending

Alexis and a professor are investigating the case of a man on death row in Pennsylvania, and when his exoneration is denied, with only three days until the sentence is carried out, she enlists Castle's help, even though she is still angry at him. When they begin to dig into the case, they encounter resistance from the townspeople, but with help from Beckett and the team, they uncover details that the local police overlooked, and find that the situation is much more complicated than it looked.

Sources and content license

Source and revision history · Adapted from Wikipedia contributors, Castle season 6. HTML formatting and reference markers removed. · Content license