While "Trust No One" is not the title for these, Episode 13 is often a pivotal finale or turning point in many series: SGRoA: Vampire Diaries, S1 E13: Children of the Damned

Vincent attempts to win Cat back with gifts, including cut flowers, chocolates, and even a street dancer flash mob, though Cat remains unimpressed. Side Stories:

Cat warns Alex she is on Muirfield's radar and must disappear to avoid being used to get to Vincent.

Tess and Cat investigate a journalist's supposed suicide that links back to Alex. Other Notable S1E13 Episodes

Heather starts a new job and falls for Joe's younger brother, Darius.

Evan suspects his girlfriend, Claire, of sabotaging a DNA sample.